290955420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 1049184864

約数和(自身を除く): 758229444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 79, 84, 90, 105, 111, 126, 140, 148, 158, 180, 185, 210, 222, 237, 252, 259, 315, 316, 333, 370, 395, 420, 444, 474, 518, 553, 555, 630, 666, 711, 740, 777, 790, 948, 1036, 1106, 1110, 1185, 1260, 1295, 1332, 1422, 1554, 1580, 1659, 1665, 2212, 2220, 2331, 2370, 2590, 2765, 2844, 2923, 3108, 3318, 3330, 3555, 3885, 4662, 4740, 4977, 5180, 5530, 5846, 6241, 6636, 6660, 7110, 7770, 8295, 8769, 9324, 9954, 11060, 11655, 11692, 12482, 14220, 14615, 15540, 16590, 17538, 18723, 19908, 20461, 23310, 24885, 24964, 26307, 29230, 31205, 33180, 35076, 37446, 40922, 43687, 43845, 46620, 49770, 52614, 56169, 58460, 61383, 62410, 74892, 81844, 87374, 87690, 93615, 99540, 102305, 105228, 112338, 122766, 124820, 131061, 131535, 174748, 175380, 184149, 187230, 204610, 218435, 224676, 230917, 245532, 262122, 263070, 280845, 306915, 368298, 374460, 393183, 409220, 436870, 461834, 524244, 526140, 561690, 613830, 655305, 692751, 736596, 786366, 873740, 920745, 923668, 1123380, 1154585, 1227660, 1310610, 1385502, 1572732, 1616419, 1841490, 1965915, 2078253, 2309170, 2621220, 2771004, 3232838, 3463755, 3682980, 3931830, 4156506, 4618340, 4849257, 6465676, 6927510, 7863660, 8082095, 8313012, 9698514, 10391265, 13855020, 14547771, 16164190, 19397028, 20782530, 24246285, 29095542, 32328380, 41565060, 48492570, 58191084, 72738855, 96985140, 145477710, 290955420]

約数ペア:

[(1, 290955420), (2, 145477710), (3, 96985140), (4, 72738855), (5, 58191084), (6, 48492570), (7, 41565060), (9, 32328380), (10, 29095542), (12, 24246285), (14, 20782530), (15, 19397028), (18, 16164190), (20, 14547771), (21, 13855020), (28, 10391265), (30, 9698514), (35, 8313012), (36, 8082095), (37, 7863660), (42, 6927510), (45, 6465676), (60, 4849257), (63, 4618340), (70, 4156506), (74, 3931830), (79, 3682980), (84, 3463755), (90, 3232838), (105, 2771004), (111, 2621220), (126, 2309170), (140, 2078253), (148, 1965915), (158, 1841490), (180, 1616419), (185, 1572732), (210, 1385502), (222, 1310610), (237, 1227660), (252, 1154585), (259, 1123380), (315, 923668), (316, 920745), (333, 873740), (370, 786366), (395, 736596), (420, 692751), (444, 655305), (474, 613830), (518, 561690), (553, 526140), (555, 524244), (630, 461834), (666, 436870), (711, 409220), (740, 393183), (777, 374460), (790, 368298), (948, 306915), (1036, 280845), (1106, 263070), (1110, 262122), (1185, 245532), (1260, 230917), (1295, 224676), (1332, 218435), (1422, 204610), (1554, 187230), (1580, 184149), (1659, 175380), (1665, 174748), (2212, 131535), (2220, 131061), (2331, 124820), (2370, 122766), (2590, 112338), (2765, 105228), (2844, 102305), (2923, 99540), (3108, 93615), (3318, 87690), (3330, 87374), (3555, 81844), (3885, 74892), (4662, 62410), (4740, 61383), (4977, 58460), (5180, 56169), (5530, 52614), (5846, 49770), (6241, 46620), (6636, 43845), (6660, 43687), (7110, 40922), (7770, 37446), (8295, 35076), (8769, 33180), (9324, 31205), (9954, 29230), (11060, 26307), (11655, 24964), (11692, 24885), (12482, 23310), (14220, 20461), (14615, 19908), (15540, 18723), (16590, 17538)]