42521900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 96181344

約数和(自身を除く): 53659444

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 71, 100, 106, 113, 142, 212, 226, 265, 284, 355, 452, 530, 565, 710, 1060, 1130, 1325, 1420, 1775, 2260, 2650, 2825, 3550, 3763, 5300, 5650, 5989, 7100, 7526, 8023, 11300, 11978, 15052, 16046, 18815, 23956, 29945, 32092, 37630, 40115, 59890, 75260, 80230, 94075, 119780, 149725, 160460, 188150, 200575, 299450, 376300, 401150, 425219, 598900, 802300, 850438, 1700876, 2126095, 4252190, 8504380, 10630475, 21260950, 42521900]

約数ペア:

[(1, 42521900), (2, 21260950), (4, 10630475), (5, 8504380), (10, 4252190), (20, 2126095), (25, 1700876), (50, 850438), (53, 802300), (71, 598900), (100, 425219), (106, 401150), (113, 376300), (142, 299450), (212, 200575), (226, 188150), (265, 160460), (284, 149725), (355, 119780), (452, 94075), (530, 80230), (565, 75260), (710, 59890), (1060, 40115), (1130, 37630), (1325, 32092), (1420, 29945), (1775, 23956), (2260, 18815), (2650, 16046), (2825, 15052), (3550, 11978), (3763, 11300), (5300, 8023), (5650, 7526), (5989, 7100)]