30910100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 76245120

約数和(自身を除く): 45335020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 59, 62, 65, 100, 118, 124, 130, 155, 169, 236, 260, 295, 310, 325, 338, 403, 590, 620, 650, 676, 767, 775, 806, 845, 1180, 1300, 1475, 1534, 1550, 1612, 1690, 1829, 2015, 2950, 3068, 3100, 3380, 3658, 3835, 4030, 4225, 5239, 5900, 7316, 7670, 8060, 8450, 9145, 9971, 10075, 10478, 15340, 16900, 18290, 19175, 19942, 20150, 20956, 23777, 26195, 36580, 38350, 39884, 40300, 45725, 47554, 49855, 52390, 76700, 91450, 95108, 99710, 104780, 118885, 130975, 182900, 199420, 237770, 249275, 261950, 309101, 475540, 498550, 523900, 594425, 618202, 997100, 1188850, 1236404, 1545505, 2377700, 3091010, 6182020, 7727525, 15455050, 30910100]

約数ペア:

[(1, 30910100), (2, 15455050), (4, 7727525), (5, 6182020), (10, 3091010), (13, 2377700), (20, 1545505), (25, 1236404), (26, 1188850), (31, 997100), (50, 618202), (52, 594425), (59, 523900), (62, 498550), (65, 475540), (100, 309101), (118, 261950), (124, 249275), (130, 237770), (155, 199420), (169, 182900), (236, 130975), (260, 118885), (295, 104780), (310, 99710), (325, 95108), (338, 91450), (403, 76700), (590, 52390), (620, 49855), (650, 47554), (676, 45725), (767, 40300), (775, 39884), (806, 38350), (845, 36580), (1180, 26195), (1300, 23777), (1475, 20956), (1534, 20150), (1550, 19942), (1612, 19175), (1690, 18290), (1829, 16900), (2015, 15340), (2950, 10478), (3068, 10075), (3100, 9971), (3380, 9145), (3658, 8450), (3835, 8060), (4030, 7670), (4225, 7316), (5239, 5900)]