289888040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13597}}^1$

素因数の和:13662

約数の個数: 64

約数和(自身を含む): 719606160

約数和(自身を除く): 429718120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 10660, 13597, 21320, 27194, 54388, 67985, 108776, 135970, 176761, 271940, 353522, 543880, 557477, 707044, 883805, 1114954, 1414088, 1767610, 2229908, 2787385, 3535220, 4459816, 5574770, 7070440, 7247201, 11149540, 14494402, 22299080, 28988804, 36236005, 57977608, 72472010, 144944020, 289888040]

約数ペア:

[(1, 289888040), (2, 144944020), (4, 72472010), (5, 57977608), (8, 36236005), (10, 28988804), (13, 22299080), (20, 14494402), (26, 11149540), (40, 7247201), (41, 7070440), (52, 5574770), (65, 4459816), (82, 3535220), (104, 2787385), (130, 2229908), (164, 1767610), (205, 1414088), (260, 1114954), (328, 883805), (410, 707044), (520, 557477), (533, 543880), (820, 353522), (1066, 271940), (1640, 176761), (2132, 135970), (2665, 108776), (4264, 67985), (5330, 54388), (10660, 27194), (13597, 21320)]