397933360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 681997520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 110, 116, 124, 145, 155, 176, 220, 232, 248, 290, 310, 319, 341, 440, 464, 496, 503, 580, 620, 638, 682, 880, 899, 1006, 1160, 1240, 1276, 1364, 1595, 1705, 1798, 2012, 2320, 2480, 2515, 2552, 2728, 3190, 3410, 3596, 4024, 4495, 5030, 5104, 5456, 5533, 6380, 6820, 7192, 8048, 8990, 9889, 10060, 11066, 12760, 13640, 14384, 14587, 15593, 17980, 19778, 20120, 22132, 25520, 27280, 27665, 29174, 31186, 35960, 39556, 40240, 44264, 49445, 55330, 58348, 62372, 71920, 72935, 77965, 79112, 88528, 98890, 110660, 116696, 124744, 145870, 155930, 158224, 160457, 171523, 197780, 221320, 233392, 249488, 291740, 311860, 320914, 343046, 395560, 442640, 452197, 583480, 623720, 641828, 686092, 791120, 802285, 857615, 904394, 1166960, 1247440, 1283656, 1372184, 1604570, 1715230, 1808788, 2260985, 2567312, 2744368, 3209140, 3430460, 3617576, 4521970, 4974167, 6418280, 6860920, 7235152, 9043940, 9948334, 12836560, 13721840, 18087880, 19896668, 24870835, 36175760, 39793336, 49741670, 79586672, 99483340, 198966680, 397933360]

約数ペア:

[(1, 397933360), (2, 198966680), (4, 99483340), (5, 79586672), (8, 49741670), (10, 39793336), (11, 36175760), (16, 24870835), (20, 19896668), (22, 18087880), (29, 13721840), (31, 12836560), (40, 9948334), (44, 9043940), (55, 7235152), (58, 6860920), (62, 6418280), (80, 4974167), (88, 4521970), (110, 3617576), (116, 3430460), (124, 3209140), (145, 2744368), (155, 2567312), (176, 2260985), (220, 1808788), (232, 1715230), (248, 1604570), (290, 1372184), (310, 1283656), (319, 1247440), (341, 1166960), (440, 904394), (464, 857615), (496, 802285), (503, 791120), (580, 686092), (620, 641828), (638, 623720), (682, 583480), (880, 452197), (899, 442640), (1006, 395560), (1160, 343046), (1240, 320914), (1276, 311860), (1364, 291740), (1595, 249488), (1705, 233392), (1798, 221320), (2012, 197780), (2320, 171523), (2480, 160457), (2515, 158224), (2552, 155930), (2728, 145870), (3190, 124744), (3410, 116696), (3596, 110660), (4024, 98890), (4495, 88528), (5030, 79112), (5104, 77965), (5456, 72935), (5533, 71920), (6380, 62372), (6820, 58348), (7192, 55330), (8048, 49445), (8990, 44264), (9889, 40240), (10060, 39556), (11066, 35960), (12760, 31186), (13640, 29174), (14384, 27665), (14587, 27280), (15593, 25520), (17980, 22132), (19778, 20120)]