201292780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 487202688

約数和(自身を除く): 285909908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 41, 46, 52, 65, 82, 92, 115, 130, 164, 205, 230, 260, 299, 410, 460, 533, 598, 820, 821, 943, 1066, 1196, 1495, 1642, 1886, 2132, 2665, 2990, 3284, 3772, 4105, 4715, 5330, 5980, 8210, 9430, 10660, 10673, 12259, 16420, 18860, 18883, 21346, 24518, 33661, 37766, 42692, 49036, 53365, 61295, 67322, 75532, 94415, 106730, 122590, 134644, 168305, 188830, 213460, 245180, 245479, 336610, 377660, 437593, 490958, 673220, 774203, 875186, 981916, 1227395, 1548406, 1750372, 2187965, 2454790, 3096812, 3871015, 4375930, 4909580, 7742030, 8751860, 10064639, 15484060, 20129278, 40258556, 50323195, 100646390, 201292780]

約数ペア:

[(1, 201292780), (2, 100646390), (4, 50323195), (5, 40258556), (10, 20129278), (13, 15484060), (20, 10064639), (23, 8751860), (26, 7742030), (41, 4909580), (46, 4375930), (52, 3871015), (65, 3096812), (82, 2454790), (92, 2187965), (115, 1750372), (130, 1548406), (164, 1227395), (205, 981916), (230, 875186), (260, 774203), (299, 673220), (410, 490958), (460, 437593), (533, 377660), (598, 336610), (820, 245479), (821, 245180), (943, 213460), (1066, 188830), (1196, 168305), (1495, 134644), (1642, 122590), (1886, 106730), (2132, 94415), (2665, 75532), (2990, 67322), (3284, 61295), (3772, 53365), (4105, 49036), (4715, 42692), (5330, 37766), (5980, 33661), (8210, 24518), (9430, 21346), (10660, 18883), (10673, 18860), (12259, 16420)]