439721880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1123}}^1$

素因数の和:1401

約数の個数: 128

約数和(自身を含む): 1427569920

約数和(自身を除く): 987848040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 251, 260, 312, 390, 502, 520, 753, 780, 1004, 1123, 1255, 1506, 1560, 2008, 2246, 2510, 3012, 3263, 3369, 3765, 4492, 5020, 5615, 6024, 6526, 6738, 7530, 8984, 9789, 10040, 11230, 13052, 13476, 14599, 15060, 16315, 16845, 19578, 22460, 26104, 26952, 29198, 30120, 32630, 33690, 39156, 43797, 44920, 48945, 58396, 65260, 67380, 72995, 78312, 87594, 97890, 116792, 130520, 134760, 145990, 175188, 195780, 218985, 281873, 291980, 350376, 391560, 437970, 563746, 583960, 845619, 875940, 1127492, 1409365, 1691238, 1751880, 2254984, 2818730, 3382476, 3664349, 4228095, 5637460, 6764952, 7328698, 8456190, 10993047, 11274920, 14657396, 16912380, 18321745, 21986094, 29314792, 33824760, 36643490, 43972188, 54965235, 73286980, 87944376, 109930470, 146573960, 219860940, 439721880]

約数ペア:

[(1, 439721880), (2, 219860940), (3, 146573960), (4, 109930470), (5, 87944376), (6, 73286980), (8, 54965235), (10, 43972188), (12, 36643490), (13, 33824760), (15, 29314792), (20, 21986094), (24, 18321745), (26, 16912380), (30, 14657396), (39, 11274920), (40, 10993047), (52, 8456190), (60, 7328698), (65, 6764952), (78, 5637460), (104, 4228095), (120, 3664349), (130, 3382476), (156, 2818730), (195, 2254984), (251, 1751880), (260, 1691238), (312, 1409365), (390, 1127492), (502, 875940), (520, 845619), (753, 583960), (780, 563746), (1004, 437970), (1123, 391560), (1255, 350376), (1506, 291980), (1560, 281873), (2008, 218985), (2246, 195780), (2510, 175188), (3012, 145990), (3263, 134760), (3369, 130520), (3765, 116792), (4492, 97890), (5020, 87594), (5615, 78312), (6024, 72995), (6526, 67380), (6738, 65260), (7530, 58396), (8984, 48945), (9789, 44920), (10040, 43797), (11230, 39156), (13052, 33690), (13476, 32630), (14599, 30120), (15060, 29198), (16315, 26952), (16845, 26104), (19578, 22460)]