30400700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 74526480

約数和(自身を除く): 44125780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 953, 1100, 1276, 1450, 1595, 1906, 2900, 3190, 3812, 4765, 6380, 7975, 9530, 10483, 15950, 19060, 20966, 23825, 27637, 31900, 41932, 47650, 52415, 55274, 95300, 104830, 110548, 138185, 209660, 262075, 276370, 304007, 524150, 552740, 608014, 690925, 1048300, 1216028, 1381850, 1520035, 2763700, 3040070, 6080140, 7600175, 15200350, 30400700]

約数ペア:

[(1, 30400700), (2, 15200350), (4, 7600175), (5, 6080140), (10, 3040070), (11, 2763700), (20, 1520035), (22, 1381850), (25, 1216028), (29, 1048300), (44, 690925), (50, 608014), (55, 552740), (58, 524150), (100, 304007), (110, 276370), (116, 262075), (145, 209660), (220, 138185), (275, 110548), (290, 104830), (319, 95300), (550, 55274), (580, 52415), (638, 47650), (725, 41932), (953, 31900), (1100, 27637), (1276, 23825), (1450, 20966), (1595, 19060), (1906, 15950), (2900, 10483), (3190, 9530), (3812, 7975), (4765, 6380)]