28979560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2243}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 72705600

約数和(自身を除く): 43726040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2243, 2584, 3230, 4486, 6460, 8972, 11215, 12920, 17944, 22430, 38131, 42617, 44860, 76262, 85234, 89720, 152524, 170468, 190655, 213085, 305048, 340936, 381310, 426170, 724489, 762620, 852340, 1448978, 1525240, 1704680, 2897956, 3622445, 5795912, 7244890, 14489780, 28979560]

約数ペア:

[(1, 28979560), (2, 14489780), (4, 7244890), (5, 5795912), (8, 3622445), (10, 2897956), (17, 1704680), (19, 1525240), (20, 1448978), (34, 852340), (38, 762620), (40, 724489), (68, 426170), (76, 381310), (85, 340936), (95, 305048), (136, 213085), (152, 190655), (170, 170468), (190, 152524), (323, 89720), (340, 85234), (380, 76262), (646, 44860), (680, 42617), (760, 38131), (1292, 22430), (1615, 17944), (2243, 12920), (2584, 11215), (3230, 8972), (4486, 6460)]