399779460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26759}}^1$

素因数の和:26857

約数の個数: 72

約数和(自身を含む): 1227320640

約数和(自身を除く): 827541180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 26759, 53518, 80277, 107036, 133795, 160554, 240831, 267590, 321108, 401385, 481662, 535180, 802770, 963324, 1204155, 1605540, 2220997, 2408310, 4441994, 4816620, 6662991, 8883988, 11104985, 13325982, 19988973, 22209970, 26651964, 33314955, 39977946, 44419940, 66629910, 79955892, 99944865, 133259820, 199889730, 399779460]

約数ペア:

[(1, 399779460), (2, 199889730), (3, 133259820), (4, 99944865), (5, 79955892), (6, 66629910), (9, 44419940), (10, 39977946), (12, 33314955), (15, 26651964), (18, 22209970), (20, 19988973), (30, 13325982), (36, 11104985), (45, 8883988), (60, 6662991), (83, 4816620), (90, 4441994), (166, 2408310), (180, 2220997), (249, 1605540), (332, 1204155), (415, 963324), (498, 802770), (747, 535180), (830, 481662), (996, 401385), (1245, 321108), (1494, 267590), (1660, 240831), (2490, 160554), (2988, 133795), (3735, 107036), (4980, 80277), (7470, 53518), (14940, 26759)]