428453480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3797}}^1$

素因数の和:3859

約数の個数: 128

約数和(自身を含む): 1225082880

約数和(自身を除く): 796629400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 3797, 4030, 4340, 5642, 7594, 8060, 8680, 11284, 14105, 15188, 16120, 18985, 22568, 26579, 28210, 30376, 37970, 49361, 53158, 56420, 75940, 98722, 106316, 112840, 117707, 132895, 151880, 197444, 212632, 235414, 246805, 265790, 345527, 394888, 470828, 493610, 531580, 588535, 691054, 823949, 941656, 987220, 1063160, 1177070, 1382108, 1530191, 1647898, 1727635, 1974440, 2354140, 2764216, 3060382, 3295796, 3455270, 4119745, 4708280, 6120764, 6591592, 6910540, 7650955, 8239490, 10711337, 12241528, 13821080, 15301910, 16478980, 21422674, 30603820, 32957960, 42845348, 53556685, 61207640, 85690696, 107113370, 214226740, 428453480]

約数ペア:

[(1, 428453480), (2, 214226740), (4, 107113370), (5, 85690696), (7, 61207640), (8, 53556685), (10, 42845348), (13, 32957960), (14, 30603820), (20, 21422674), (26, 16478980), (28, 15301910), (31, 13821080), (35, 12241528), (40, 10711337), (52, 8239490), (56, 7650955), (62, 6910540), (65, 6591592), (70, 6120764), (91, 4708280), (104, 4119745), (124, 3455270), (130, 3295796), (140, 3060382), (155, 2764216), (182, 2354140), (217, 1974440), (248, 1727635), (260, 1647898), (280, 1530191), (310, 1382108), (364, 1177070), (403, 1063160), (434, 987220), (455, 941656), (520, 823949), (620, 691054), (728, 588535), (806, 531580), (868, 493610), (910, 470828), (1085, 394888), (1240, 345527), (1612, 265790), (1736, 246805), (1820, 235414), (2015, 212632), (2170, 197444), (2821, 151880), (3224, 132895), (3640, 117707), (3797, 112840), (4030, 106316), (4340, 98722), (5642, 75940), (7594, 56420), (8060, 53158), (8680, 49361), (11284, 37970), (14105, 30376), (15188, 28210), (16120, 26579), (18985, 22568)]