428003880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187721}}^1$

素因数の和:187754

約数の個数: 64

約数和(自身を含む): 1351598400

約数和(自身を除く): 923594520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 187721, 375442, 563163, 750884, 938605, 1126326, 1501768, 1877210, 2252652, 2815815, 3566699, 3754420, 4505304, 5631630, 7133398, 7508840, 10700097, 11263260, 14266796, 17833495, 21400194, 22526520, 28533592, 35666990, 42800388, 53500485, 71333980, 85600776, 107000970, 142667960, 214001940, 428003880]

約数ペア:

[(1, 428003880), (2, 214001940), (3, 142667960), (4, 107000970), (5, 85600776), (6, 71333980), (8, 53500485), (10, 42800388), (12, 35666990), (15, 28533592), (19, 22526520), (20, 21400194), (24, 17833495), (30, 14266796), (38, 11263260), (40, 10700097), (57, 7508840), (60, 7133398), (76, 5631630), (95, 4505304), (114, 3754420), (120, 3566699), (152, 2815815), (190, 2252652), (228, 1877210), (285, 1501768), (380, 1126326), (456, 938605), (570, 750884), (760, 563163), (1140, 375442), (2280, 187721)]