247367999420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{490829}}^1$

素因数の和:491174

約数の個数: 48

約数和(自身を含む): 526421064960

約数和(自身を除く): 279053065540

約数列:

[1, 2, 4, 5, 10, 20, 113, 223, 226, 446, 452, 565, 892, 1115, 1130, 2230, 2260, 4460, 25199, 50398, 100796, 125995, 251990, 490829, 503980, 981658, 1963316, 2454145, 4908290, 9816580, 55463677, 109454867, 110927354, 218909734, 221854708, 277318385, 437819468, 547274335, 554636770, 1094548670, 1109273540, 2189097340, 12368399971, 24736799942, 49473599884, 61841999855, 123683999710, 247367999420]

約数ペア:

[(1, 247367999420), (2, 123683999710), (4, 61841999855), (5, 49473599884), (10, 24736799942), (20, 12368399971), (113, 2189097340), (223, 1109273540), (226, 1094548670), (446, 554636770), (452, 547274335), (565, 437819468), (892, 277318385), (1115, 221854708), (1130, 218909734), (2230, 110927354), (2260, 109454867), (4460, 55463677), (25199, 9816580), (50398, 4908290), (100796, 2454145), (125995, 1963316), (251990, 981658), (490829, 503980)]