201519890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7417}}^1$

素因数の和:7467

約数の個数: 64

約数和(自身を含む): 448640640

約数和(自身を除く): 247120750

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 2090, 2470, 2717, 5434, 7417, 13585, 14834, 27170, 37085, 74170, 81587, 96421, 140923, 163174, 192842, 281846, 407935, 482105, 704615, 815870, 964210, 1060631, 1409230, 1550153, 1831999, 2121262, 3100306, 3663998, 5303155, 7750765, 9159995, 10606310, 15501530, 18319990, 20151989, 40303978, 100759945, 201519890]

約数ペア:

[(1, 201519890), (2, 100759945), (5, 40303978), (10, 20151989), (11, 18319990), (13, 15501530), (19, 10606310), (22, 9159995), (26, 7750765), (38, 5303155), (55, 3663998), (65, 3100306), (95, 2121262), (110, 1831999), (130, 1550153), (143, 1409230), (190, 1060631), (209, 964210), (247, 815870), (286, 704615), (418, 482105), (494, 407935), (715, 281846), (1045, 192842), (1235, 163174), (1430, 140923), (2090, 96421), (2470, 81587), (2717, 74170), (5434, 37085), (7417, 27170), (13585, 14834)]