397439640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 1402259040

約数和(自身を除く): 1004819400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 163, 180, 195, 234, 260, 312, 326, 360, 390, 468, 489, 520, 521, 585, 652, 780, 815, 936, 978, 1042, 1170, 1304, 1467, 1560, 1563, 1630, 1956, 2084, 2119, 2340, 2445, 2605, 2934, 3126, 3260, 3912, 4168, 4238, 4680, 4689, 4890, 5210, 5868, 6252, 6357, 6520, 6773, 7335, 7815, 8476, 9378, 9780, 10420, 10595, 11736, 12504, 12714, 13546, 14670, 15630, 16952, 18756, 19071, 19560, 20319, 20840, 21190, 23445, 25428, 27092, 29340, 31260, 31785, 33865, 37512, 38142, 40638, 42380, 46890, 50856, 54184, 58680, 60957, 62520, 63570, 67730, 76284, 81276, 84760, 84923, 93780, 95355, 101595, 121914, 127140, 135460, 152568, 162552, 169846, 187560, 190710, 203190, 243828, 254280, 254769, 270920, 304785, 339692, 381420, 406380, 424615, 487656, 509538, 609570, 679384, 762840, 764307, 812760, 849230, 1019076, 1103999, 1219140, 1273845, 1528614, 1698460, 2038152, 2207998, 2438280, 2547690, 3057228, 3311997, 3396920, 3821535, 4415996, 5095380, 5519995, 6114456, 6623994, 7643070, 8831992, 9935991, 10190760, 11039990, 13247988, 15286140, 16559985, 19871982, 22079980, 26495976, 30572280, 33119970, 39743964, 44159960, 49679955, 66239940, 79487928, 99359910, 132479880, 198719820, 397439640]

約数ペア:

[(1, 397439640), (2, 198719820), (3, 132479880), (4, 99359910), (5, 79487928), (6, 66239940), (8, 49679955), (9, 44159960), (10, 39743964), (12, 33119970), (13, 30572280), (15, 26495976), (18, 22079980), (20, 19871982), (24, 16559985), (26, 15286140), (30, 13247988), (36, 11039990), (39, 10190760), (40, 9935991), (45, 8831992), (52, 7643070), (60, 6623994), (65, 6114456), (72, 5519995), (78, 5095380), (90, 4415996), (104, 3821535), (117, 3396920), (120, 3311997), (130, 3057228), (156, 2547690), (163, 2438280), (180, 2207998), (195, 2038152), (234, 1698460), (260, 1528614), (312, 1273845), (326, 1219140), (360, 1103999), (390, 1019076), (468, 849230), (489, 812760), (520, 764307), (521, 762840), (585, 679384), (652, 609570), (780, 509538), (815, 487656), (936, 424615), (978, 406380), (1042, 381420), (1170, 339692), (1304, 304785), (1467, 270920), (1560, 254769), (1563, 254280), (1630, 243828), (1956, 203190), (2084, 190710), (2119, 187560), (2340, 169846), (2445, 162552), (2605, 152568), (2934, 135460), (3126, 127140), (3260, 121914), (3912, 101595), (4168, 95355), (4238, 93780), (4680, 84923), (4689, 84760), (4890, 81276), (5210, 76284), (5868, 67730), (6252, 63570), (6357, 62520), (6520, 60957), (6773, 58680), (7335, 54184), (7815, 50856), (8476, 46890), (9378, 42380), (9780, 40638), (10420, 38142), (10595, 37512), (11736, 33865), (12504, 31785), (12714, 31260), (13546, 29340), (14670, 27092), (15630, 25428), (16952, 23445), (18756, 21190), (19071, 20840), (19560, 20319)]