42973980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 143410176

約数和(自身を除く): 100436196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 282, 294, 311, 329, 420, 470, 490, 564, 588, 622, 658, 705, 735, 933, 940, 980, 987, 1244, 1316, 1410, 1470, 1555, 1645, 1866, 1974, 2177, 2303, 2820, 2940, 3110, 3290, 3732, 3948, 4354, 4606, 4665, 4935, 6220, 6531, 6580, 6909, 8708, 9212, 9330, 9870, 10885, 11515, 13062, 13818, 14617, 15239, 18660, 19740, 21770, 23030, 26124, 27636, 29234, 30478, 32655, 34545, 43540, 43851, 45717, 46060, 58468, 60956, 65310, 69090, 73085, 76195, 87702, 91434, 102319, 130620, 138180, 146170, 152390, 175404, 182868, 204638, 219255, 228585, 292340, 304780, 306957, 409276, 438510, 457170, 511595, 613914, 716233, 877020, 914340, 1023190, 1227828, 1432466, 1534785, 2046380, 2148699, 2864932, 3069570, 3581165, 4297398, 6139140, 7162330, 8594796, 10743495, 14324660, 21486990, 42973980]

約数ペア:

[(1, 42973980), (2, 21486990), (3, 14324660), (4, 10743495), (5, 8594796), (6, 7162330), (7, 6139140), (10, 4297398), (12, 3581165), (14, 3069570), (15, 2864932), (20, 2148699), (21, 2046380), (28, 1534785), (30, 1432466), (35, 1227828), (42, 1023190), (47, 914340), (49, 877020), (60, 716233), (70, 613914), (84, 511595), (94, 457170), (98, 438510), (105, 409276), (140, 306957), (141, 304780), (147, 292340), (188, 228585), (196, 219255), (210, 204638), (235, 182868), (245, 175404), (282, 152390), (294, 146170), (311, 138180), (329, 130620), (420, 102319), (470, 91434), (490, 87702), (564, 76195), (588, 73085), (622, 69090), (658, 65310), (705, 60956), (735, 58468), (933, 46060), (940, 45717), (980, 43851), (987, 43540), (1244, 34545), (1316, 32655), (1410, 30478), (1470, 29234), (1555, 27636), (1645, 26124), (1866, 23030), (1974, 21770), (2177, 19740), (2303, 18660), (2820, 15239), (2940, 14617), (3110, 13818), (3290, 13062), (3732, 11515), (3948, 10885), (4354, 9870), (4606, 9330), (4665, 9212), (4935, 8708), (6220, 6909), (6531, 6580)]