407890980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2549}}^1$

素因数の和:2698

約数の個数: 144

約数和(自身を含む): 1425715200

約数和(自身を除く): 1017824220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2540, 2549, 2667, 3556, 3810, 4445, 4572, 5098, 5334, 5715, 7620, 7647, 8001, 8890, 10196, 10668, 11430, 12745, 13335, 15294, 16002, 17780, 17843, 22860, 22941, 25490, 26670, 30588, 32004, 35686, 38235, 40005, 45882, 50980, 53340, 53529, 71372, 76470, 80010, 89215, 91764, 107058, 114705, 152940, 160020, 160587, 178430, 214116, 229410, 267645, 321174, 323723, 356860, 458820, 535290, 642348, 647446, 802935, 971169, 1070580, 1294892, 1605870, 1618615, 1942338, 2266061, 2913507, 3211740, 3237230, 3884676, 4532122, 4855845, 5827014, 6474460, 6798183, 9064244, 9711690, 11330305, 11654028, 13596366, 14567535, 19423380, 20394549, 22660610, 27192732, 29135070, 33990915, 40789098, 45321220, 58270140, 67981830, 81578196, 101972745, 135963660, 203945490, 407890980]

約数ペア:

[(1, 407890980), (2, 203945490), (3, 135963660), (4, 101972745), (5, 81578196), (6, 67981830), (7, 58270140), (9, 45321220), (10, 40789098), (12, 33990915), (14, 29135070), (15, 27192732), (18, 22660610), (20, 20394549), (21, 19423380), (28, 14567535), (30, 13596366), (35, 11654028), (36, 11330305), (42, 9711690), (45, 9064244), (60, 6798183), (63, 6474460), (70, 5827014), (84, 4855845), (90, 4532122), (105, 3884676), (126, 3237230), (127, 3211740), (140, 2913507), (180, 2266061), (210, 1942338), (252, 1618615), (254, 1605870), (315, 1294892), (381, 1070580), (420, 971169), (508, 802935), (630, 647446), (635, 642348), (762, 535290), (889, 458820), (1143, 356860), (1260, 323723), (1270, 321174), (1524, 267645), (1778, 229410), (1905, 214116), (2286, 178430), (2540, 160587), (2549, 160020), (2667, 152940), (3556, 114705), (3810, 107058), (4445, 91764), (4572, 89215), (5098, 80010), (5334, 76470), (5715, 71372), (7620, 53529), (7647, 53340), (8001, 50980), (8890, 45882), (10196, 40005), (10668, 38235), (11430, 35686), (12745, 32004), (13335, 30588), (15294, 26670), (16002, 25490), (17780, 22941), (17843, 22860)]