208868940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3596

約数の個数: 144

約数和(自身を含む): 739694592

約数和(自身を除く): 530825652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3527, 3948, 4230, 4935, 5922, 6580, 7054, 8460, 9870, 10581, 11844, 14108, 14805, 17635, 19740, 21162, 24689, 29610, 31743, 35270, 42324, 49378, 52905, 59220, 63486, 70540, 74067, 98756, 105810, 123445, 126972, 148134, 158715, 165769, 211620, 222201, 246890, 296268, 317430, 331538, 370335, 444402, 493780, 497307, 634860, 663076, 740670, 828845, 888804, 994614, 1111005, 1160383, 1481340, 1491921, 1657690, 1989228, 2222010, 2320766, 2486535, 2983842, 3315380, 3481149, 4444020, 4641532, 4973070, 5801915, 5967684, 6962298, 7459605, 9946140, 10443447, 11603830, 13924596, 14919210, 17405745, 20886894, 23207660, 29838420, 34811490, 41773788, 52217235, 69622980, 104434470, 208868940]

約数ペア:

[(1, 208868940), (2, 104434470), (3, 69622980), (4, 52217235), (5, 41773788), (6, 34811490), (7, 29838420), (9, 23207660), (10, 20886894), (12, 17405745), (14, 14919210), (15, 13924596), (18, 11603830), (20, 10443447), (21, 9946140), (28, 7459605), (30, 6962298), (35, 5967684), (36, 5801915), (42, 4973070), (45, 4641532), (47, 4444020), (60, 3481149), (63, 3315380), (70, 2983842), (84, 2486535), (90, 2320766), (94, 2222010), (105, 1989228), (126, 1657690), (140, 1491921), (141, 1481340), (180, 1160383), (188, 1111005), (210, 994614), (235, 888804), (252, 828845), (282, 740670), (315, 663076), (329, 634860), (420, 497307), (423, 493780), (470, 444402), (564, 370335), (630, 331538), (658, 317430), (705, 296268), (846, 246890), (940, 222201), (987, 211620), (1260, 165769), (1316, 158715), (1410, 148134), (1645, 126972), (1692, 123445), (1974, 105810), (2115, 98756), (2820, 74067), (2961, 70540), (3290, 63486), (3527, 59220), (3948, 52905), (4230, 49378), (4935, 42324), (5922, 35270), (6580, 31743), (7054, 29610), (8460, 24689), (9870, 21162), (10581, 19740), (11844, 17635), (14108, 14805)]