420203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1231

約数の個数: 96

約数和(自身を含む): 1215922176

約数和(自身を除く): 795718356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 191, 222, 370, 382, 444, 555, 573, 740, 764, 955, 991, 1110, 1146, 1910, 1982, 2220, 2292, 2865, 2973, 3820, 3964, 4955, 5730, 5946, 7067, 9910, 11460, 11892, 14134, 14865, 19820, 21201, 28268, 29730, 35335, 36667, 42402, 59460, 70670, 73334, 84804, 106005, 110001, 141340, 146668, 183335, 189281, 212010, 220002, 366670, 378562, 424020, 440004, 550005, 567843, 733340, 757124, 946405, 1100010, 1135686, 1892810, 2200020, 2271372, 2839215, 3785620, 5678430, 7003397, 11356860, 14006794, 21010191, 28013588, 35016985, 42020382, 70033970, 84040764, 105050955, 140067940, 210101910, 420203820]

約数ペア:

[(1, 420203820), (2, 210101910), (3, 140067940), (4, 105050955), (5, 84040764), (6, 70033970), (10, 42020382), (12, 35016985), (15, 28013588), (20, 21010191), (30, 14006794), (37, 11356860), (60, 7003397), (74, 5678430), (111, 3785620), (148, 2839215), (185, 2271372), (191, 2200020), (222, 1892810), (370, 1135686), (382, 1100010), (444, 946405), (555, 757124), (573, 733340), (740, 567843), (764, 550005), (955, 440004), (991, 424020), (1110, 378562), (1146, 366670), (1910, 220002), (1982, 212010), (2220, 189281), (2292, 183335), (2865, 146668), (2973, 141340), (3820, 110001), (3964, 106005), (4955, 84804), (5730, 73334), (5946, 70670), (7067, 59460), (9910, 42402), (11460, 36667), (11892, 35335), (14134, 29730), (14865, 28268), (19820, 21201)]