208577980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13597}}^1$

素因数の和:13678

約数の個数: 48

約数和(自身を含む): 479737440

約数和(自身を除く): 271159460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 13597, 15340, 27194, 54388, 67985, 135970, 176761, 271940, 353522, 707044, 802223, 883805, 1604446, 1767610, 3208892, 3535220, 4011115, 8022230, 10428899, 16044460, 20857798, 41715596, 52144495, 104288990, 208577980]

約数ペア:

[(1, 208577980), (2, 104288990), (4, 52144495), (5, 41715596), (10, 20857798), (13, 16044460), (20, 10428899), (26, 8022230), (52, 4011115), (59, 3535220), (65, 3208892), (118, 1767610), (130, 1604446), (236, 883805), (260, 802223), (295, 707044), (590, 353522), (767, 271940), (1180, 176761), (1534, 135970), (3068, 67985), (3835, 54388), (7670, 27194), (13597, 15340)]