201642820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8699}}^1$

素因数の和:8788

約数の個数: 48

約数和(自身を含む): 453096000

約数和(自身を除く): 251453180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 8699, 11590, 17398, 23180, 34796, 43495, 86990, 165281, 173980, 330562, 530639, 661124, 826405, 1061278, 1652810, 2122556, 2653195, 3305620, 5306390, 10082141, 10612780, 20164282, 40328564, 50410705, 100821410, 201642820]

約数ペア:

[(1, 201642820), (2, 100821410), (4, 50410705), (5, 40328564), (10, 20164282), (19, 10612780), (20, 10082141), (38, 5306390), (61, 3305620), (76, 2653195), (95, 2122556), (122, 1652810), (190, 1061278), (244, 826405), (305, 661124), (380, 530639), (610, 330562), (1159, 173980), (1220, 165281), (2318, 86990), (4636, 43495), (5795, 34796), (8699, 23180), (11590, 17398)]