304888100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8941}}^1$

素因数の和:8997

約数の個数: 72

約数和(自身を含む): 745118976

約数和(自身を除く): 440230876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8525, 8941, 17050, 17882, 34100, 35764, 44705, 89410, 98351, 178820, 196702, 223525, 277171, 393404, 447050, 491755, 554342, 894100, 983510, 1108684, 1385855, 1967020, 2458775, 2771710, 3048881, 4917550, 5543420, 6097762, 6929275, 9835100, 12195524, 13858550, 15244405, 27717100, 30488810, 60977620, 76222025, 152444050, 304888100]

約数ペア:

[(1, 304888100), (2, 152444050), (4, 76222025), (5, 60977620), (10, 30488810), (11, 27717100), (20, 15244405), (22, 13858550), (25, 12195524), (31, 9835100), (44, 6929275), (50, 6097762), (55, 5543420), (62, 4917550), (100, 3048881), (110, 2771710), (124, 2458775), (155, 1967020), (220, 1385855), (275, 1108684), (310, 983510), (341, 894100), (550, 554342), (620, 491755), (682, 447050), (775, 393404), (1100, 277171), (1364, 223525), (1550, 196702), (1705, 178820), (3100, 98351), (3410, 89410), (6820, 44705), (8525, 35764), (8941, 34100), (17050, 17882)]