420651400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 1154926080

約数和(自身を除く): 734274680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 31, 34, 40, 50, 52, 62, 65, 68, 85, 100, 104, 124, 130, 136, 155, 170, 200, 221, 248, 260, 307, 310, 325, 340, 403, 425, 442, 520, 527, 614, 620, 650, 680, 775, 806, 850, 884, 1054, 1105, 1228, 1240, 1300, 1535, 1550, 1612, 1700, 1768, 2015, 2108, 2210, 2456, 2600, 2635, 3070, 3100, 3224, 3400, 3991, 4030, 4216, 4420, 5219, 5270, 5525, 6140, 6200, 6851, 7675, 7982, 8060, 8840, 9517, 10075, 10438, 10540, 11050, 12280, 13175, 13702, 15350, 15964, 16120, 19034, 19955, 20150, 20876, 21080, 22100, 26095, 26350, 27404, 30700, 31928, 34255, 38068, 39910, 40300, 41752, 44200, 47585, 52190, 52700, 54808, 61400, 67847, 68510, 76136, 79820, 80600, 95170, 99775, 104380, 105400, 123721, 130475, 135694, 137020, 159640, 161789, 171275, 190340, 199550, 208760, 237925, 247442, 260950, 271388, 274040, 323578, 339235, 342550, 380680, 399100, 475850, 494884, 521900, 542776, 618605, 647156, 678470, 685100, 798200, 808945, 951700, 989768, 1043800, 1237210, 1294312, 1356940, 1370200, 1617890, 1696175, 1903400, 2103257, 2474420, 2713880, 3093025, 3235780, 3392350, 4044725, 4206514, 4948840, 6186050, 6471560, 6784700, 8089450, 8413028, 10516285, 12372100, 13569400, 16178900, 16826056, 21032570, 24744200, 32357800, 42065140, 52581425, 84130280, 105162850, 210325700, 420651400]

約数ペア:

[(1, 420651400), (2, 210325700), (4, 105162850), (5, 84130280), (8, 52581425), (10, 42065140), (13, 32357800), (17, 24744200), (20, 21032570), (25, 16826056), (26, 16178900), (31, 13569400), (34, 12372100), (40, 10516285), (50, 8413028), (52, 8089450), (62, 6784700), (65, 6471560), (68, 6186050), (85, 4948840), (100, 4206514), (104, 4044725), (124, 3392350), (130, 3235780), (136, 3093025), (155, 2713880), (170, 2474420), (200, 2103257), (221, 1903400), (248, 1696175), (260, 1617890), (307, 1370200), (310, 1356940), (325, 1294312), (340, 1237210), (403, 1043800), (425, 989768), (442, 951700), (520, 808945), (527, 798200), (614, 685100), (620, 678470), (650, 647156), (680, 618605), (775, 542776), (806, 521900), (850, 494884), (884, 475850), (1054, 399100), (1105, 380680), (1228, 342550), (1240, 339235), (1300, 323578), (1535, 274040), (1550, 271388), (1612, 260950), (1700, 247442), (1768, 237925), (2015, 208760), (2108, 199550), (2210, 190340), (2456, 171275), (2600, 161789), (2635, 159640), (3070, 137020), (3100, 135694), (3224, 130475), (3400, 123721), (3991, 105400), (4030, 104380), (4216, 99775), (4420, 95170), (5219, 80600), (5270, 79820), (5525, 76136), (6140, 68510), (6200, 67847), (6851, 61400), (7675, 54808), (7982, 52700), (8060, 52190), (8840, 47585), (9517, 44200), (10075, 41752), (10438, 40300), (10540, 39910), (11050, 38068), (12280, 34255), (13175, 31928), (13702, 30700), (15350, 27404), (15964, 26350), (16120, 26095), (19034, 22100), (19955, 21080), (20150, 20876)]