25308900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 80804724

約数和(自身を除く): 55495824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 150, 180, 183, 225, 244, 300, 305, 366, 450, 461, 549, 610, 732, 900, 915, 922, 1098, 1220, 1383, 1525, 1830, 1844, 2196, 2305, 2745, 2766, 3050, 3660, 4149, 4575, 4610, 5490, 5532, 6100, 6915, 8298, 9150, 9220, 10980, 11525, 13725, 13830, 16596, 18300, 20745, 23050, 27450, 27660, 28121, 34575, 41490, 46100, 54900, 56242, 69150, 82980, 84363, 103725, 112484, 138300, 140605, 168726, 207450, 253089, 281210, 337452, 414900, 421815, 506178, 562420, 703025, 843630, 1012356, 1265445, 1406050, 1687260, 2109075, 2530890, 2812100, 4218150, 5061780, 6327225, 8436300, 12654450, 25308900]

約数ペア:

[(1, 25308900), (2, 12654450), (3, 8436300), (4, 6327225), (5, 5061780), (6, 4218150), (9, 2812100), (10, 2530890), (12, 2109075), (15, 1687260), (18, 1406050), (20, 1265445), (25, 1012356), (30, 843630), (36, 703025), (45, 562420), (50, 506178), (60, 421815), (61, 414900), (75, 337452), (90, 281210), (100, 253089), (122, 207450), (150, 168726), (180, 140605), (183, 138300), (225, 112484), (244, 103725), (300, 84363), (305, 82980), (366, 69150), (450, 56242), (461, 54900), (549, 46100), (610, 41490), (732, 34575), (900, 28121), (915, 27660), (922, 27450), (1098, 23050), (1220, 20745), (1383, 18300), (1525, 16596), (1830, 13830), (1844, 13725), (2196, 11525), (2305, 10980), (2745, 9220), (2766, 9150), (3050, 8298), (3660, 6915), (4149, 6100), (4575, 5532), (4610, 5490)]