252356840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 634521600

約数和(自身を除く): 382164760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 67, 68, 85, 116, 134, 136, 145, 170, 191, 232, 268, 290, 335, 340, 382, 493, 536, 580, 670, 680, 764, 955, 986, 1139, 1160, 1340, 1528, 1910, 1943, 1972, 2278, 2465, 2680, 3247, 3820, 3886, 3944, 4556, 4930, 5539, 5695, 6494, 7640, 7772, 9112, 9715, 9860, 11078, 11390, 12797, 12988, 15544, 16235, 19430, 19720, 22156, 22780, 25594, 25976, 27695, 32470, 33031, 38860, 44312, 45560, 51188, 55390, 63985, 64940, 66062, 77720, 94163, 102376, 110780, 127970, 129880, 132124, 165155, 188326, 217549, 221560, 255940, 264248, 330310, 371113, 376652, 435098, 470815, 511880, 660620, 742226, 753304, 870196, 941630, 1087745, 1321240, 1484452, 1740392, 1855565, 1883260, 2175490, 2968904, 3711130, 3766520, 4350980, 6308921, 7422260, 8701960, 12617842, 14844520, 25235684, 31544605, 50471368, 63089210, 126178420, 252356840]

約数ペア:

[(1, 252356840), (2, 126178420), (4, 63089210), (5, 50471368), (8, 31544605), (10, 25235684), (17, 14844520), (20, 12617842), (29, 8701960), (34, 7422260), (40, 6308921), (58, 4350980), (67, 3766520), (68, 3711130), (85, 2968904), (116, 2175490), (134, 1883260), (136, 1855565), (145, 1740392), (170, 1484452), (191, 1321240), (232, 1087745), (268, 941630), (290, 870196), (335, 753304), (340, 742226), (382, 660620), (493, 511880), (536, 470815), (580, 435098), (670, 376652), (680, 371113), (764, 330310), (955, 264248), (986, 255940), (1139, 221560), (1160, 217549), (1340, 188326), (1528, 165155), (1910, 132124), (1943, 129880), (1972, 127970), (2278, 110780), (2465, 102376), (2680, 94163), (3247, 77720), (3820, 66062), (3886, 64940), (3944, 63985), (4556, 55390), (4930, 51188), (5539, 45560), (5695, 44312), (6494, 38860), (7640, 33031), (7772, 32470), (9112, 27695), (9715, 25976), (9860, 25594), (11078, 22780), (11390, 22156), (12797, 19720), (12988, 19430), (15544, 16235)]