3778340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 8541120

約数和(自身を除く): 4762780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 163, 190, 244, 305, 326, 380, 610, 652, 815, 1159, 1220, 1630, 2318, 3097, 3260, 4636, 5795, 6194, 9943, 11590, 12388, 15485, 19886, 23180, 30970, 39772, 49715, 61940, 99430, 188917, 198860, 377834, 755668, 944585, 1889170, 3778340]

約数ペア:

[(1, 3778340), (2, 1889170), (4, 944585), (5, 755668), (10, 377834), (19, 198860), (20, 188917), (38, 99430), (61, 61940), (76, 49715), (95, 39772), (122, 30970), (163, 23180), (190, 19886), (244, 15485), (305, 12388), (326, 11590), (380, 9943), (610, 6194), (652, 5795), (815, 4636), (1159, 3260), (1220, 3097), (1630, 2318)]