212450940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 699517728

約数和(自身を除く): 487066788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 234, 260, 326, 390, 468, 489, 557, 585, 652, 780, 815, 978, 1114, 1170, 1467, 1630, 1671, 1956, 2119, 2228, 2340, 2445, 2785, 2934, 3260, 3342, 4238, 4890, 5013, 5570, 5868, 6357, 6684, 7241, 7335, 8355, 8476, 9780, 10026, 10595, 11140, 12714, 14482, 14670, 16710, 19071, 20052, 21190, 21723, 25065, 25428, 28964, 29340, 31785, 33420, 36205, 38142, 42380, 43446, 50130, 63570, 65169, 72410, 76284, 86892, 90791, 95355, 100260, 108615, 127140, 130338, 144820, 181582, 190710, 217230, 260676, 272373, 325845, 363164, 381420, 434460, 453955, 544746, 651690, 817119, 907910, 1089492, 1180283, 1303380, 1361865, 1634238, 1815820, 2360566, 2723730, 3268476, 3540849, 4085595, 4721132, 5447460, 5901415, 7081698, 8171190, 10622547, 11802830, 14163396, 16342380, 17704245, 21245094, 23605660, 35408490, 42490188, 53112735, 70816980, 106225470, 212450940]

約数ペア:

[(1, 212450940), (2, 106225470), (3, 70816980), (4, 53112735), (5, 42490188), (6, 35408490), (9, 23605660), (10, 21245094), (12, 17704245), (13, 16342380), (15, 14163396), (18, 11802830), (20, 10622547), (26, 8171190), (30, 7081698), (36, 5901415), (39, 5447460), (45, 4721132), (52, 4085595), (60, 3540849), (65, 3268476), (78, 2723730), (90, 2360566), (117, 1815820), (130, 1634238), (156, 1361865), (163, 1303380), (180, 1180283), (195, 1089492), (234, 907910), (260, 817119), (326, 651690), (390, 544746), (468, 453955), (489, 434460), (557, 381420), (585, 363164), (652, 325845), (780, 272373), (815, 260676), (978, 217230), (1114, 190710), (1170, 181582), (1467, 144820), (1630, 130338), (1671, 127140), (1956, 108615), (2119, 100260), (2228, 95355), (2340, 90791), (2445, 86892), (2785, 76284), (2934, 72410), (3260, 65169), (3342, 63570), (4238, 50130), (4890, 43446), (5013, 42380), (5570, 38142), (5868, 36205), (6357, 33420), (6684, 31785), (7241, 29340), (7335, 28964), (8355, 25428), (8476, 25065), (9780, 21723), (10026, 21190), (10595, 20052), (11140, 19071), (12714, 16710), (14482, 14670)]