201249980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 431784864

約数和(自身を除く): 230534884

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 293, 305, 563, 586, 610, 1126, 1172, 1220, 1465, 2252, 2815, 2930, 5630, 5860, 11260, 17873, 34343, 35746, 68686, 71492, 89365, 137372, 164959, 171715, 178730, 329918, 343430, 357460, 659836, 686860, 824795, 1649590, 3299180, 10062499, 20124998, 40249996, 50312495, 100624990, 201249980]

約数ペア:

[(1, 201249980), (2, 100624990), (4, 50312495), (5, 40249996), (10, 20124998), (20, 10062499), (61, 3299180), (122, 1649590), (244, 824795), (293, 686860), (305, 659836), (563, 357460), (586, 343430), (610, 329918), (1126, 178730), (1172, 171715), (1220, 164959), (1465, 137372), (2252, 89365), (2815, 71492), (2930, 68686), (5630, 35746), (5860, 34343), (11260, 17873)]