287586145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 450311400

約数和(自身を除く): 162725255

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 89, 109, 121, 245, 385, 445, 539, 545, 605, 623, 763, 847, 979, 1199, 2695, 3115, 3815, 4235, 4361, 4895, 5341, 5929, 5995, 6853, 8393, 9701, 10769, 13189, 21805, 26705, 29645, 34265, 41965, 47971, 48505, 53845, 58751, 65945, 67907, 75383, 92323, 106711, 239855, 293755, 339535, 376915, 461615, 475349, 527681, 533555, 646261, 746977, 1173821, 2376745, 2638405, 3231305, 3734885, 5228839, 5869105, 8216747, 26144195, 41083735, 57517229, 287586145]

約数ペア:

[(1, 287586145), (5, 57517229), (7, 41083735), (11, 26144195), (35, 8216747), (49, 5869105), (55, 5228839), (77, 3734885), (89, 3231305), (109, 2638405), (121, 2376745), (245, 1173821), (385, 746977), (445, 646261), (539, 533555), (545, 527681), (605, 475349), (623, 461615), (763, 376915), (847, 339535), (979, 293755), (1199, 239855), (2695, 106711), (3115, 92323), (3815, 75383), (4235, 67907), (4361, 65945), (4895, 58751), (5341, 53845), (5929, 48505), (5995, 47971), (6853, 41965), (8393, 34265), (9701, 29645), (10769, 26705), (13189, 21805)]