202807280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11471}}^1$

素因数の和:11514

約数の個数: 80

約数和(自身を含む): 537715584

約数和(自身を除く): 334908304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 11471, 17680, 22942, 45884, 57355, 91768, 114710, 149123, 183536, 195007, 229420, 298246, 390014, 458840, 596492, 745615, 780028, 917680, 975035, 1192984, 1491230, 1560056, 1950070, 2385968, 2535091, 2982460, 3120112, 3900140, 5070182, 5964920, 7800280, 10140364, 11929840, 12675455, 15600560, 20280728, 25350910, 40561456, 50701820, 101403640, 202807280]

約数ペア:

[(1, 202807280), (2, 101403640), (4, 50701820), (5, 40561456), (8, 25350910), (10, 20280728), (13, 15600560), (16, 12675455), (17, 11929840), (20, 10140364), (26, 7800280), (34, 5964920), (40, 5070182), (52, 3900140), (65, 3120112), (68, 2982460), (80, 2535091), (85, 2385968), (104, 1950070), (130, 1560056), (136, 1491230), (170, 1192984), (208, 975035), (221, 917680), (260, 780028), (272, 745615), (340, 596492), (442, 458840), (520, 390014), (680, 298246), (884, 229420), (1040, 195007), (1105, 183536), (1360, 149123), (1768, 114710), (2210, 91768), (3536, 57355), (4420, 45884), (8840, 22942), (11471, 17680)]