4638280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 7025720

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, 359, 380, 646, 680, 718, 760, 1292, 1436, 1615, 1795, 2584, 2872, 3230, 3590, 6103, 6460, 6821, 7180, 12206, 12920, 13642, 14360, 24412, 27284, 30515, 34105, 48824, 54568, 61030, 68210, 115957, 122060, 136420, 231914, 244120, 272840, 463828, 579785, 927656, 1159570, 2319140, 4638280]

約数ペア:

[(1, 4638280), (2, 2319140), (4, 1159570), (5, 927656), (8, 579785), (10, 463828), (17, 272840), (19, 244120), (20, 231914), (34, 136420), (38, 122060), (40, 115957), (68, 68210), (76, 61030), (85, 54568), (95, 48824), (136, 34105), (152, 30515), (170, 27284), (190, 24412), (323, 14360), (340, 13642), (359, 12920), (380, 12206), (646, 7180), (680, 6821), (718, 6460), (760, 6103), (1292, 3590), (1436, 3230), (1615, 2872), (1795, 2584)]