218411820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2420

約数の個数: 144

約数和(自身を含む): 738436608

約数和(自身を除く): 520024788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 330, 396, 423, 470, 495, 517, 564, 660, 705, 846, 940, 990, 1034, 1410, 1551, 1692, 1980, 2068, 2115, 2347, 2585, 2820, 3102, 4230, 4653, 4694, 5170, 6204, 7041, 7755, 8460, 9306, 9388, 10340, 11735, 14082, 15510, 18612, 21123, 23265, 23470, 25817, 28164, 31020, 35205, 42246, 46530, 46940, 51634, 70410, 77451, 84492, 93060, 103268, 105615, 110309, 129085, 140820, 154902, 211230, 220618, 232353, 258170, 309804, 330927, 387255, 422460, 441236, 464706, 516340, 551545, 661854, 774510, 929412, 992781, 1103090, 1161765, 1213399, 1323708, 1549020, 1654635, 1985562, 2206180, 2323530, 2426798, 3309270, 3640197, 3971124, 4647060, 4853596, 4963905, 6066995, 6618540, 7280394, 9927810, 10920591, 12133990, 14560788, 18200985, 19855620, 21841182, 24267980, 36401970, 43682364, 54602955, 72803940, 109205910, 218411820]

約数ペア:

[(1, 218411820), (2, 109205910), (3, 72803940), (4, 54602955), (5, 43682364), (6, 36401970), (9, 24267980), (10, 21841182), (11, 19855620), (12, 18200985), (15, 14560788), (18, 12133990), (20, 10920591), (22, 9927810), (30, 7280394), (33, 6618540), (36, 6066995), (44, 4963905), (45, 4853596), (47, 4647060), (55, 3971124), (60, 3640197), (66, 3309270), (90, 2426798), (94, 2323530), (99, 2206180), (110, 1985562), (132, 1654635), (141, 1549020), (165, 1323708), (180, 1213399), (188, 1161765), (198, 1103090), (220, 992781), (235, 929412), (282, 774510), (330, 661854), (396, 551545), (423, 516340), (470, 464706), (495, 441236), (517, 422460), (564, 387255), (660, 330927), (705, 309804), (846, 258170), (940, 232353), (990, 220618), (1034, 211230), (1410, 154902), (1551, 140820), (1692, 129085), (1980, 110309), (2068, 105615), (2115, 103268), (2347, 93060), (2585, 84492), (2820, 77451), (3102, 70410), (4230, 51634), (4653, 46940), (4694, 46530), (5170, 42246), (6204, 35205), (7041, 31020), (7755, 28164), (8460, 25817), (9306, 23470), (9388, 23265), (10340, 21123), (11735, 18612), (14082, 15510)]