196407100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 442645280

約数和(自身を除く): 246238180

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 109, 148, 185, 218, 370, 436, 487, 545, 740, 925, 974, 1090, 1850, 1948, 2180, 2435, 2725, 3700, 4033, 4870, 5450, 8066, 9740, 10900, 12175, 16132, 18019, 20165, 24350, 36038, 40330, 48700, 53083, 72076, 80660, 90095, 100825, 106166, 180190, 201650, 212332, 265415, 360380, 403300, 450475, 530830, 900950, 1061660, 1327075, 1801900, 1964071, 2654150, 3928142, 5308300, 7856284, 9820355, 19640710, 39281420, 49101775, 98203550, 196407100]

約数ペア:

[(1, 196407100), (2, 98203550), (4, 49101775), (5, 39281420), (10, 19640710), (20, 9820355), (25, 7856284), (37, 5308300), (50, 3928142), (74, 2654150), (100, 1964071), (109, 1801900), (148, 1327075), (185, 1061660), (218, 900950), (370, 530830), (436, 450475), (487, 403300), (545, 360380), (740, 265415), (925, 212332), (974, 201650), (1090, 180190), (1850, 106166), (1948, 100825), (2180, 90095), (2435, 80660), (2725, 72076), (3700, 53083), (4033, 48700), (4870, 40330), (5450, 36038), (8066, 24350), (9740, 20165), (10900, 18019), (12175, 16132)]