145684990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 302330880

約数和(自身を除く): 156645890

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 89, 110, 115, 178, 230, 253, 445, 506, 647, 890, 979, 1265, 1294, 1958, 2047, 2530, 3235, 4094, 4895, 6470, 7117, 9790, 10235, 14234, 14881, 20470, 22517, 29762, 35585, 45034, 57583, 71170, 74405, 112585, 115166, 148810, 163691, 225170, 287915, 327382, 575830, 633413, 818455, 1266826, 1324409, 1636910, 2648818, 3167065, 6334130, 6622045, 13244090, 14568499, 29136998, 72842495, 145684990]

約数ペア:

[(1, 145684990), (2, 72842495), (5, 29136998), (10, 14568499), (11, 13244090), (22, 6622045), (23, 6334130), (46, 3167065), (55, 2648818), (89, 1636910), (110, 1324409), (115, 1266826), (178, 818455), (230, 633413), (253, 575830), (445, 327382), (506, 287915), (647, 225170), (890, 163691), (979, 148810), (1265, 115166), (1294, 112585), (1958, 74405), (2047, 71170), (2530, 57583), (3235, 45034), (4094, 35585), (4895, 29762), (6470, 22517), (7117, 20470), (9790, 14881), (10235, 14234)]