287492790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1291}}^1$

素因数の和:1885

約数の個数: 64

約数和(自身を含む): 744936192

約数和(自身を除く): 457443402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 571, 1142, 1291, 1713, 2582, 2855, 3426, 3873, 5710, 6455, 7423, 7746, 8565, 12910, 14846, 16783, 17130, 19365, 22269, 33566, 37115, 38730, 44538, 50349, 74230, 83915, 100698, 111345, 167830, 222690, 251745, 503490, 737161, 1474322, 2211483, 3685805, 4422966, 7371610, 9583093, 11057415, 19166186, 22114830, 28749279, 47915465, 57498558, 95830930, 143746395, 287492790]

約数ペア:

[(1, 287492790), (2, 143746395), (3, 95830930), (5, 57498558), (6, 47915465), (10, 28749279), (13, 22114830), (15, 19166186), (26, 11057415), (30, 9583093), (39, 7371610), (65, 4422966), (78, 3685805), (130, 2211483), (195, 1474322), (390, 737161), (571, 503490), (1142, 251745), (1291, 222690), (1713, 167830), (2582, 111345), (2855, 100698), (3426, 83915), (3873, 74230), (5710, 50349), (6455, 44538), (7423, 38730), (7746, 37115), (8565, 33566), (12910, 22269), (14846, 19365), (16783, 17130)]