1821810440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 4741027200

約数和(自身を除く): 2919216760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 37, 38, 40, 68, 74, 76, 85, 95, 103, 136, 148, 152, 170, 185, 190, 206, 296, 323, 340, 370, 380, 412, 515, 629, 646, 680, 703, 740, 760, 824, 1030, 1258, 1292, 1369, 1406, 1480, 1615, 1751, 1957, 2060, 2516, 2584, 2738, 2812, 3145, 3230, 3502, 3515, 3811, 3914, 4120, 5032, 5476, 5624, 6290, 6460, 6845, 7004, 7030, 7622, 7828, 8755, 9785, 10952, 11951, 12580, 12920, 13690, 14008, 14060, 15244, 15656, 17510, 19055, 19570, 23273, 23902, 25160, 26011, 27380, 28120, 30488, 33269, 35020, 38110, 39140, 46546, 47804, 52022, 54760, 59755, 64787, 66538, 70040, 72409, 76220, 78280, 93092, 95608, 104044, 116365, 119510, 129574, 130055, 133076, 141007, 144818, 152440, 166345, 186184, 208088, 232730, 239020, 259148, 260110, 266152, 282014, 289636, 323935, 332690, 362045, 442187, 465460, 478040, 518296, 520220, 564028, 579272, 647870, 665380, 705035, 724090, 884374, 930920, 1040440, 1128056, 1230953, 1295740, 1330760, 1410070, 1448180, 1768748, 2210935, 2397119, 2461906, 2591480, 2679133, 2820140, 2896360, 3537496, 4421870, 4794238, 4923812, 5358266, 5640280, 6154765, 8843740, 9588476, 9847624, 10716532, 11985595, 12309530, 13395665, 17687480, 19176952, 21433064, 23971190, 24619060, 26791330, 45545261, 47942380, 49238120, 53582660, 91090522, 95884760, 107165320, 182181044, 227726305, 364362088, 455452610, 910905220, 1821810440]

約数ペア:

[(1, 1821810440), (2, 910905220), (4, 455452610), (5, 364362088), (8, 227726305), (10, 182181044), (17, 107165320), (19, 95884760), (20, 91090522), (34, 53582660), (37, 49238120), (38, 47942380), (40, 45545261), (68, 26791330), (74, 24619060), (76, 23971190), (85, 21433064), (95, 19176952), (103, 17687480), (136, 13395665), (148, 12309530), (152, 11985595), (170, 10716532), (185, 9847624), (190, 9588476), (206, 8843740), (296, 6154765), (323, 5640280), (340, 5358266), (370, 4923812), (380, 4794238), (412, 4421870), (515, 3537496), (629, 2896360), (646, 2820140), (680, 2679133), (703, 2591480), (740, 2461906), (760, 2397119), (824, 2210935), (1030, 1768748), (1258, 1448180), (1292, 1410070), (1369, 1330760), (1406, 1295740), (1480, 1230953), (1615, 1128056), (1751, 1040440), (1957, 930920), (2060, 884374), (2516, 724090), (2584, 705035), (2738, 665380), (2812, 647870), (3145, 579272), (3230, 564028), (3502, 520220), (3515, 518296), (3811, 478040), (3914, 465460), (4120, 442187), (5032, 362045), (5476, 332690), (5624, 323935), (6290, 289636), (6460, 282014), (6845, 266152), (7004, 260110), (7030, 259148), (7622, 239020), (7828, 232730), (8755, 208088), (9785, 186184), (10952, 166345), (11951, 152440), (12580, 144818), (12920, 141007), (13690, 133076), (14008, 130055), (14060, 129574), (15244, 119510), (15656, 116365), (17510, 104044), (19055, 95608), (19570, 93092), (23273, 78280), (23902, 76220), (25160, 72409), (26011, 70040), (27380, 66538), (28120, 64787), (30488, 59755), (33269, 54760), (35020, 52022), (38110, 47804), (39140, 46546)]