289355560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29287}}^1$

素因数の和:29330

約数の個数: 64

約数和(自身を含む): 738057600

約数和(自身を除く): 448702040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 29287, 58574, 117148, 146435, 234296, 292870, 380731, 556453, 585740, 761462, 1112906, 1171480, 1522924, 1903655, 2225812, 2782265, 3045848, 3807310, 4451624, 5564530, 7233889, 7614620, 11129060, 14467778, 15229240, 22258120, 28935556, 36169445, 57871112, 72338890, 144677780, 289355560]

約数ペア:

[(1, 289355560), (2, 144677780), (4, 72338890), (5, 57871112), (8, 36169445), (10, 28935556), (13, 22258120), (19, 15229240), (20, 14467778), (26, 11129060), (38, 7614620), (40, 7233889), (52, 5564530), (65, 4451624), (76, 3807310), (95, 3045848), (104, 2782265), (130, 2225812), (152, 1903655), (190, 1522924), (247, 1171480), (260, 1112906), (380, 761462), (494, 585740), (520, 556453), (760, 380731), (988, 292870), (1235, 234296), (1976, 146435), (2470, 117148), (4940, 58574), (9880, 29287)]