205507900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 108

約数和(自身を含む): 511100968

約数和(自身を除く): 305593068

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 289, 325, 340, 425, 442, 547, 578, 650, 850, 884, 1094, 1105, 1156, 1300, 1445, 1700, 2188, 2210, 2735, 2890, 3757, 4420, 5470, 5525, 5780, 7111, 7225, 7514, 9299, 10940, 11050, 13675, 14222, 14450, 15028, 18598, 18785, 22100, 27350, 28444, 28900, 35555, 37196, 37570, 46495, 54700, 71110, 75140, 92990, 93925, 120887, 142220, 158083, 177775, 185980, 187850, 232475, 241774, 316166, 355550, 375700, 464950, 483548, 604435, 632332, 711100, 790415, 929900, 1208870, 1580830, 2055079, 2417740, 3022175, 3161660, 3952075, 4110158, 6044350, 7904150, 8220316, 10275395, 12088700, 15808300, 20550790, 41101580, 51376975, 102753950, 205507900]

約数ペア:

[(1, 205507900), (2, 102753950), (4, 51376975), (5, 41101580), (10, 20550790), (13, 15808300), (17, 12088700), (20, 10275395), (25, 8220316), (26, 7904150), (34, 6044350), (50, 4110158), (52, 3952075), (65, 3161660), (68, 3022175), (85, 2417740), (100, 2055079), (130, 1580830), (170, 1208870), (221, 929900), (260, 790415), (289, 711100), (325, 632332), (340, 604435), (425, 483548), (442, 464950), (547, 375700), (578, 355550), (650, 316166), (850, 241774), (884, 232475), (1094, 187850), (1105, 185980), (1156, 177775), (1300, 158083), (1445, 142220), (1700, 120887), (2188, 93925), (2210, 92990), (2735, 75140), (2890, 71110), (3757, 54700), (4420, 46495), (5470, 37570), (5525, 37196), (5780, 35555), (7111, 28900), (7225, 28444), (7514, 27350), (9299, 22100), (10940, 18785), (11050, 18598), (13675, 15028), (14222, 14450)]