208707810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 562028544

約数和(自身を除く): 353320734

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 43, 51, 62, 85, 86, 93, 102, 129, 155, 170, 186, 215, 255, 258, 307, 310, 430, 465, 510, 527, 614, 645, 731, 921, 930, 1054, 1290, 1333, 1462, 1535, 1581, 1842, 2193, 2635, 2666, 3070, 3162, 3655, 3999, 4386, 4605, 5219, 5270, 6665, 7310, 7905, 7998, 9210, 9517, 10438, 10965, 13201, 13330, 15657, 15810, 19034, 19995, 21930, 22661, 26095, 26402, 28551, 31314, 39603, 39990, 45322, 47585, 52190, 57102, 66005, 67983, 78285, 79206, 95170, 113305, 132010, 135966, 142755, 156570, 161789, 198015, 224417, 226610, 285510, 323578, 339915, 396030, 409231, 448834, 485367, 673251, 679830, 808945, 818462, 970734, 1122085, 1227693, 1346502, 1617890, 2046155, 2244170, 2426835, 2455386, 3366255, 4092310, 4853670, 6138465, 6732510, 6956927, 12276930, 13913854, 20870781, 34784635, 41741562, 69569270, 104353905, 208707810]

約数ペア:

[(1, 208707810), (2, 104353905), (3, 69569270), (5, 41741562), (6, 34784635), (10, 20870781), (15, 13913854), (17, 12276930), (30, 6956927), (31, 6732510), (34, 6138465), (43, 4853670), (51, 4092310), (62, 3366255), (85, 2455386), (86, 2426835), (93, 2244170), (102, 2046155), (129, 1617890), (155, 1346502), (170, 1227693), (186, 1122085), (215, 970734), (255, 818462), (258, 808945), (307, 679830), (310, 673251), (430, 485367), (465, 448834), (510, 409231), (527, 396030), (614, 339915), (645, 323578), (731, 285510), (921, 226610), (930, 224417), (1054, 198015), (1290, 161789), (1333, 156570), (1462, 142755), (1535, 135966), (1581, 132010), (1842, 113305), (2193, 95170), (2635, 79206), (2666, 78285), (3070, 67983), (3162, 66005), (3655, 57102), (3999, 52190), (4386, 47585), (4605, 45322), (5219, 39990), (5270, 39603), (6665, 31314), (7310, 28551), (7905, 26402), (7998, 26095), (9210, 22661), (9517, 21930), (10438, 19995), (10965, 19034), (13201, 15810), (13330, 15657)]