304865980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 678172320

約数和(自身を除く): 373306340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 151, 236, 290, 295, 302, 580, 590, 604, 755, 1180, 1510, 1711, 3020, 3422, 3481, 4379, 6844, 6962, 8555, 8758, 8909, 13924, 17110, 17405, 17516, 17818, 21895, 34220, 34810, 35636, 43790, 44545, 69620, 87580, 89090, 100949, 178180, 201898, 258361, 403796, 504745, 516722, 525631, 1009490, 1033444, 1051262, 1291805, 2018980, 2102524, 2583610, 2628155, 5167220, 5256310, 10512620, 15243299, 30486598, 60973196, 76216495, 152432990, 304865980]

約数ペア:

[(1, 304865980), (2, 152432990), (4, 76216495), (5, 60973196), (10, 30486598), (20, 15243299), (29, 10512620), (58, 5256310), (59, 5167220), (116, 2628155), (118, 2583610), (145, 2102524), (151, 2018980), (236, 1291805), (290, 1051262), (295, 1033444), (302, 1009490), (580, 525631), (590, 516722), (604, 504745), (755, 403796), (1180, 258361), (1510, 201898), (1711, 178180), (3020, 100949), (3422, 89090), (3481, 87580), (4379, 69620), (6844, 44545), (6962, 43790), (8555, 35636), (8758, 34810), (8909, 34220), (13924, 21895), (17110, 17818), (17405, 17516)]