28193260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 62818560

約数和(自身を除く): 34625300

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1229, 2294, 2458, 4588, 4916, 5735, 6145, 11470, 12290, 22940, 24580, 38099, 45473, 76198, 90946, 152396, 181892, 190495, 227365, 380990, 454730, 761980, 909460, 1409663, 2819326, 5638652, 7048315, 14096630, 28193260]

約数ペア:

[(1, 28193260), (2, 14096630), (4, 7048315), (5, 5638652), (10, 2819326), (20, 1409663), (31, 909460), (37, 761980), (62, 454730), (74, 380990), (124, 227365), (148, 190495), (155, 181892), (185, 152396), (310, 90946), (370, 76198), (620, 45473), (740, 38099), (1147, 24580), (1229, 22940), (2294, 12290), (2458, 11470), (4588, 6145), (4916, 5735)]