198445880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8423}}^1$

素因数の和:8484

約数の個数: 64

約数和(自身を含む): 485222400

約数和(自身を除く): 286776520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 8423, 11780, 16846, 23560, 33692, 42115, 67384, 84230, 160037, 168460, 261113, 320074, 336920, 522226, 640148, 800185, 1044452, 1280296, 1305565, 1600370, 2088904, 2611130, 3200740, 4961147, 5222260, 6401480, 9922294, 10444520, 19844588, 24805735, 39689176, 49611470, 99222940, 198445880]

約数ペア:

[(1, 198445880), (2, 99222940), (4, 49611470), (5, 39689176), (8, 24805735), (10, 19844588), (19, 10444520), (20, 9922294), (31, 6401480), (38, 5222260), (40, 4961147), (62, 3200740), (76, 2611130), (95, 2088904), (124, 1600370), (152, 1305565), (155, 1280296), (190, 1044452), (248, 800185), (310, 640148), (380, 522226), (589, 336920), (620, 320074), (760, 261113), (1178, 168460), (1240, 160037), (2356, 84230), (2945, 67384), (4712, 42115), (5890, 33692), (8423, 23560), (11780, 16846)]