250228900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 571463424

約数和(自身を除く): 321234524

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 53, 62, 100, 106, 124, 155, 212, 265, 310, 530, 620, 775, 1060, 1325, 1523, 1550, 1643, 2650, 3046, 3100, 3286, 5300, 6092, 6572, 7615, 8215, 15230, 16430, 30460, 32860, 38075, 41075, 47213, 76150, 80719, 82150, 94426, 152300, 161438, 164300, 188852, 236065, 322876, 403595, 472130, 807190, 944260, 1180325, 1614380, 2017975, 2360650, 2502289, 4035950, 4721300, 5004578, 8071900, 10009156, 12511445, 25022890, 50045780, 62557225, 125114450, 250228900]

約数ペア:

[(1, 250228900), (2, 125114450), (4, 62557225), (5, 50045780), (10, 25022890), (20, 12511445), (25, 10009156), (31, 8071900), (50, 5004578), (53, 4721300), (62, 4035950), (100, 2502289), (106, 2360650), (124, 2017975), (155, 1614380), (212, 1180325), (265, 944260), (310, 807190), (530, 472130), (620, 403595), (775, 322876), (1060, 236065), (1325, 188852), (1523, 164300), (1550, 161438), (1643, 152300), (2650, 94426), (3046, 82150), (3100, 80719), (3286, 76150), (5300, 47213), (6092, 41075), (6572, 38075), (7615, 32860), (8215, 30460), (15230, 16430)]