1818125200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7717}}^1$

素因数の和:7785

約数の個数: 120

約数和(自身を含む): 4746878720

約数和(自身を除く): 2928753520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 760, 775, 950, 1178, 1240, 1520, 1550, 1900, 2356, 2480, 2945, 3100, 3800, 4712, 5890, 6200, 7600, 7717, 9424, 11780, 12400, 14725, 15434, 23560, 29450, 30868, 38585, 47120, 58900, 61736, 77170, 117800, 123472, 146623, 154340, 192925, 235600, 239227, 293246, 308680, 385850, 478454, 586492, 617360, 733115, 771700, 956908, 1172984, 1196135, 1466230, 1543400, 1913816, 2345968, 2392270, 2932460, 3086800, 3665575, 3827632, 4545313, 4784540, 5864920, 5980675, 7331150, 9090626, 9569080, 11729840, 11961350, 14662300, 18181252, 19138160, 22726565, 23922700, 29324600, 36362504, 45453130, 47845400, 58649200, 72725008, 90906260, 95690800, 113632825, 181812520, 227265650, 363625040, 454531300, 909062600, 1818125200]

約数ペア:

[(1, 1818125200), (2, 909062600), (4, 454531300), (5, 363625040), (8, 227265650), (10, 181812520), (16, 113632825), (19, 95690800), (20, 90906260), (25, 72725008), (31, 58649200), (38, 47845400), (40, 45453130), (50, 36362504), (62, 29324600), (76, 23922700), (80, 22726565), (95, 19138160), (100, 18181252), (124, 14662300), (152, 11961350), (155, 11729840), (190, 9569080), (200, 9090626), (248, 7331150), (304, 5980675), (310, 5864920), (380, 4784540), (400, 4545313), (475, 3827632), (496, 3665575), (589, 3086800), (620, 2932460), (760, 2392270), (775, 2345968), (950, 1913816), (1178, 1543400), (1240, 1466230), (1520, 1196135), (1550, 1172984), (1900, 956908), (2356, 771700), (2480, 733115), (2945, 617360), (3100, 586492), (3800, 478454), (4712, 385850), (5890, 308680), (6200, 293246), (7600, 239227), (7717, 235600), (9424, 192925), (11780, 154340), (12400, 146623), (14725, 123472), (15434, 117800), (23560, 77170), (29450, 61736), (30868, 58900), (38585, 47120)]