28418390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 73156608

約数和(自身を除く): 44738218

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 17, 22, 26, 34, 35, 55, 65, 70, 77, 85, 91, 110, 119, 130, 143, 154, 167, 170, 182, 187, 221, 238, 286, 334, 374, 385, 442, 455, 595, 715, 770, 835, 910, 935, 1001, 1105, 1169, 1190, 1309, 1430, 1547, 1670, 1837, 1870, 2002, 2171, 2210, 2338, 2431, 2618, 2839, 3094, 3674, 4342, 4862, 5005, 5678, 5845, 6545, 7735, 9185, 10010, 10855, 11690, 12155, 12859, 13090, 14195, 15197, 15470, 17017, 18370, 19873, 21710, 23881, 24310, 25718, 28390, 30394, 31229, 34034, 36907, 39746, 47762, 62458, 64295, 73814, 75985, 85085, 99365, 119405, 128590, 151970, 156145, 167167, 170170, 184535, 198730, 218603, 238810, 258349, 312290, 334334, 369070, 405977, 437206, 516698, 811954, 835835, 1093015, 1291745, 1671670, 2029885, 2186030, 2583490, 2841839, 4059770, 5683678, 14209195, 28418390]

約数ペア:

[(1, 28418390), (2, 14209195), (5, 5683678), (7, 4059770), (10, 2841839), (11, 2583490), (13, 2186030), (14, 2029885), (17, 1671670), (22, 1291745), (26, 1093015), (34, 835835), (35, 811954), (55, 516698), (65, 437206), (70, 405977), (77, 369070), (85, 334334), (91, 312290), (110, 258349), (119, 238810), (130, 218603), (143, 198730), (154, 184535), (167, 170170), (170, 167167), (182, 156145), (187, 151970), (221, 128590), (238, 119405), (286, 99365), (334, 85085), (374, 75985), (385, 73814), (442, 64295), (455, 62458), (595, 47762), (715, 39746), (770, 36907), (835, 34034), (910, 31229), (935, 30394), (1001, 28390), (1105, 25718), (1169, 24310), (1190, 23881), (1309, 21710), (1430, 19873), (1547, 18370), (1670, 17017), (1837, 15470), (1870, 15197), (2002, 14195), (2171, 13090), (2210, 12859), (2338, 12155), (2431, 11690), (2618, 10855), (2839, 10010), (3094, 9185), (3674, 7735), (4342, 6545), (4862, 5845), (5005, 5678)]