25139450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 56317824

約数和(自身を除く): 31178374

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 331, 350, 434, 490, 662, 775, 1085, 1225, 1519, 1550, 1655, 2170, 2317, 2450, 3038, 3310, 4634, 5425, 7595, 8275, 10261, 10850, 11585, 15190, 16219, 16550, 20522, 23170, 32438, 37975, 51305, 57925, 71827, 75950, 81095, 102610, 115850, 143654, 162190, 256525, 359135, 405475, 502789, 513050, 718270, 810950, 1005578, 1795675, 2513945, 3591350, 5027890, 12569725, 25139450]

約数ペア:

[(1, 25139450), (2, 12569725), (5, 5027890), (7, 3591350), (10, 2513945), (14, 1795675), (25, 1005578), (31, 810950), (35, 718270), (49, 513050), (50, 502789), (62, 405475), (70, 359135), (98, 256525), (155, 162190), (175, 143654), (217, 115850), (245, 102610), (310, 81095), (331, 75950), (350, 71827), (434, 57925), (490, 51305), (662, 37975), (775, 32438), (1085, 23170), (1225, 20522), (1519, 16550), (1550, 16219), (1655, 15190), (2170, 11585), (2317, 10850), (2450, 10261), (3038, 8275), (3310, 7595), (4634, 5425)]