30290975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 45517920

約数和(自身を除く): 15226945

約数列:

[1, 5, 11, 13, 25, 37, 55, 65, 143, 185, 229, 275, 325, 407, 481, 715, 925, 1145, 2035, 2405, 2519, 2977, 3575, 5291, 5725, 8473, 10175, 12025, 12595, 14885, 26455, 32747, 42365, 62975, 74425, 93203, 110149, 132275, 163735, 211825, 466015, 550745, 818675, 1211639, 2330075, 2753725, 6058195, 30290975]

約数ペア:

[(1, 30290975), (5, 6058195), (11, 2753725), (13, 2330075), (25, 1211639), (37, 818675), (55, 550745), (65, 466015), (143, 211825), (185, 163735), (229, 132275), (275, 110149), (325, 93203), (407, 74425), (481, 62975), (715, 42365), (925, 32747), (1145, 26455), (2035, 14885), (2405, 12595), (2519, 12025), (2977, 10175), (3575, 8473), (5291, 5725)]