74871020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4063

約数の個数: 72

約数和(自身を含む): 192573360

約数和(自身を除く): 117702340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4021, 4655, 8042, 9310, 16084, 18620, 20105, 28147, 40210, 56294, 76399, 80420, 112588, 140735, 152798, 197029, 281470, 305596, 381995, 394058, 534793, 562940, 763990, 788116, 985145, 1069586, 1527980, 1970290, 2139172, 2673965, 3743551, 3940580, 5347930, 7487102, 10695860, 14974204, 18717755, 37435510, 74871020]

約数ペア:

[(1, 74871020), (2, 37435510), (4, 18717755), (5, 14974204), (7, 10695860), (10, 7487102), (14, 5347930), (19, 3940580), (20, 3743551), (28, 2673965), (35, 2139172), (38, 1970290), (49, 1527980), (70, 1069586), (76, 985145), (95, 788116), (98, 763990), (133, 562940), (140, 534793), (190, 394058), (196, 381995), (245, 305596), (266, 281470), (380, 197029), (490, 152798), (532, 140735), (665, 112588), (931, 80420), (980, 76399), (1330, 56294), (1862, 40210), (2660, 28147), (3724, 20105), (4021, 18620), (4655, 16084), (8042, 9310)]