400356320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 192

約数和(自身を含む): 1203019776

約数和(自身を除く): 802663456

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 728, 806, 868, 887, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1774, 1820, 2015, 2080, 2170, 2480, 2821, 2912, 3224, 3472, 3548, 3640, 4030, 4340, 4435, 4960, 5642, 6209, 6448, 6944, 7096, 7280, 8060, 8680, 8870, 11284, 11531, 12418, 12896, 14105, 14192, 14560, 16120, 17360, 17740, 22568, 23062, 24836, 27497, 28210, 28384, 31045, 32240, 34720, 35480, 45136, 46124, 49672, 54994, 56420, 57655, 62090, 64480, 70960, 80717, 90272, 92248, 99344, 109988, 112840, 115310, 124180, 137485, 141920, 161434, 184496, 192479, 198688, 219976, 225680, 230620, 248360, 274970, 322868, 357461, 368992, 384958, 403585, 439952, 451360, 461240, 496720, 549940, 645736, 714922, 769916, 807170, 879904, 922480, 962395, 993440, 1099880, 1291472, 1429844, 1539832, 1614340, 1787305, 1844960, 1924790, 2199760, 2502227, 2582944, 2859688, 3079664, 3228680, 3574610, 3849580, 4399520, 5004454, 5719376, 6159328, 6457360, 7149220, 7699160, 10008908, 11438752, 12511135, 12914720, 14298440, 15398320, 20017816, 25022270, 28596880, 30796640, 40035632, 50044540, 57193760, 80071264, 100089080, 200178160, 400356320]

約数ペア:

[(1, 400356320), (2, 200178160), (4, 100089080), (5, 80071264), (7, 57193760), (8, 50044540), (10, 40035632), (13, 30796640), (14, 28596880), (16, 25022270), (20, 20017816), (26, 15398320), (28, 14298440), (31, 12914720), (32, 12511135), (35, 11438752), (40, 10008908), (52, 7699160), (56, 7149220), (62, 6457360), (65, 6159328), (70, 5719376), (80, 5004454), (91, 4399520), (104, 3849580), (112, 3574610), (124, 3228680), (130, 3079664), (140, 2859688), (155, 2582944), (160, 2502227), (182, 2199760), (208, 1924790), (217, 1844960), (224, 1787305), (248, 1614340), (260, 1539832), (280, 1429844), (310, 1291472), (364, 1099880), (403, 993440), (416, 962395), (434, 922480), (455, 879904), (496, 807170), (520, 769916), (560, 714922), (620, 645736), (728, 549940), (806, 496720), (868, 461240), (887, 451360), (910, 439952), (992, 403585), (1040, 384958), (1085, 368992), (1120, 357461), (1240, 322868), (1456, 274970), (1612, 248360), (1736, 230620), (1774, 225680), (1820, 219976), (2015, 198688), (2080, 192479), (2170, 184496), (2480, 161434), (2821, 141920), (2912, 137485), (3224, 124180), (3472, 115310), (3548, 112840), (3640, 109988), (4030, 99344), (4340, 92248), (4435, 90272), (4960, 80717), (5642, 70960), (6209, 64480), (6448, 62090), (6944, 57655), (7096, 56420), (7280, 54994), (8060, 49672), (8680, 46124), (8870, 45136), (11284, 35480), (11531, 34720), (12418, 32240), (12896, 31045), (14105, 28384), (14192, 28210), (14560, 27497), (16120, 24836), (17360, 23062), (17740, 22568)]