401909820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 1296497664

約数和(自身を除く): 894587844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 43, 46, 52, 60, 65, 69, 78, 86, 92, 115, 129, 130, 138, 156, 172, 195, 215, 230, 258, 260, 276, 299, 345, 390, 430, 460, 516, 521, 559, 598, 645, 690, 780, 860, 897, 989, 1042, 1118, 1196, 1290, 1380, 1495, 1563, 1677, 1794, 1978, 2084, 2236, 2580, 2605, 2795, 2967, 2990, 3126, 3354, 3588, 3956, 4485, 4945, 5210, 5590, 5934, 5980, 6252, 6708, 6773, 7815, 8385, 8970, 9890, 10420, 11180, 11868, 11983, 12857, 13546, 14835, 15630, 16770, 17940, 19780, 20319, 22403, 23966, 25714, 27092, 29670, 31260, 33540, 33865, 35949, 38571, 40638, 44806, 47932, 51428, 59340, 59915, 64285, 67209, 67730, 71898, 77142, 81276, 89612, 101595, 112015, 119830, 128570, 134418, 135460, 143796, 154284, 155779, 179745, 192855, 203190, 224030, 239660, 257140, 268836, 291239, 311558, 336045, 359490, 385710, 406380, 448060, 467337, 515269, 582478, 623116, 672090, 718980, 771420, 778895, 873717, 934674, 1030538, 1164956, 1344180, 1456195, 1545807, 1557790, 1747434, 1869348, 2061076, 2336685, 2576345, 2912390, 3091614, 3115580, 3494868, 4368585, 4673370, 5152690, 5824780, 6183228, 6698497, 7729035, 8737170, 9346740, 10305380, 13396994, 15458070, 17474340, 20095491, 26793988, 30916140, 33492485, 40190982, 66984970, 80381964, 100477455, 133969940, 200954910, 401909820]

約数ペア:

[(1, 401909820), (2, 200954910), (3, 133969940), (4, 100477455), (5, 80381964), (6, 66984970), (10, 40190982), (12, 33492485), (13, 30916140), (15, 26793988), (20, 20095491), (23, 17474340), (26, 15458070), (30, 13396994), (39, 10305380), (43, 9346740), (46, 8737170), (52, 7729035), (60, 6698497), (65, 6183228), (69, 5824780), (78, 5152690), (86, 4673370), (92, 4368585), (115, 3494868), (129, 3115580), (130, 3091614), (138, 2912390), (156, 2576345), (172, 2336685), (195, 2061076), (215, 1869348), (230, 1747434), (258, 1557790), (260, 1545807), (276, 1456195), (299, 1344180), (345, 1164956), (390, 1030538), (430, 934674), (460, 873717), (516, 778895), (521, 771420), (559, 718980), (598, 672090), (645, 623116), (690, 582478), (780, 515269), (860, 467337), (897, 448060), (989, 406380), (1042, 385710), (1118, 359490), (1196, 336045), (1290, 311558), (1380, 291239), (1495, 268836), (1563, 257140), (1677, 239660), (1794, 224030), (1978, 203190), (2084, 192855), (2236, 179745), (2580, 155779), (2605, 154284), (2795, 143796), (2967, 135460), (2990, 134418), (3126, 128570), (3354, 119830), (3588, 112015), (3956, 101595), (4485, 89612), (4945, 81276), (5210, 77142), (5590, 71898), (5934, 67730), (5980, 67209), (6252, 64285), (6708, 59915), (6773, 59340), (7815, 51428), (8385, 47932), (8970, 44806), (9890, 40638), (10420, 38571), (11180, 35949), (11868, 33865), (11983, 33540), (12857, 31260), (13546, 29670), (14835, 27092), (15630, 25714), (16770, 23966), (17940, 22403), (19780, 20319)]