20131615300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 47296972800

約数和(自身を除く): 27165357500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 239, 380, 430, 475, 478, 817, 860, 950, 956, 1031, 1075, 1195, 1634, 1900, 2062, 2150, 2390, 3268, 4085, 4124, 4300, 4541, 4780, 5155, 5975, 8170, 9082, 10277, 10310, 11950, 16340, 18164, 19589, 20425, 20554, 20620, 22705, 23900, 25775, 39178, 40850, 41108, 44333, 45410, 51385, 51550, 78356, 81700, 88666, 90820, 97945, 102770, 103100, 113525, 177332, 195263, 195890, 205540, 221665, 227050, 246409, 256925, 390526, 391780, 443330, 454100, 489725, 492818, 513850, 781052, 842327, 886660, 976315, 979450, 985636, 1027700, 1108325, 1232045, 1684654, 1952630, 1958900, 2216650, 2464090, 3369308, 3905260, 4211635, 4433300, 4681771, 4881575, 4928180, 6160225, 8423270, 9363542, 9763150, 10595587, 12320450, 16846540, 18727084, 19526300, 21058175, 21191174, 23408855, 24640900, 42116350, 42382348, 46817710, 52977935, 84232700, 93635420, 105955870, 117044275, 201316153, 211911740, 234088550, 264889675, 402632306, 468177100, 529779350, 805264612, 1006580765, 1059558700, 2013161530, 4026323060, 5032903825, 10065807650, 20131615300]

約数ペア:

[(1, 20131615300), (2, 10065807650), (4, 5032903825), (5, 4026323060), (10, 2013161530), (19, 1059558700), (20, 1006580765), (25, 805264612), (38, 529779350), (43, 468177100), (50, 402632306), (76, 264889675), (86, 234088550), (95, 211911740), (100, 201316153), (172, 117044275), (190, 105955870), (215, 93635420), (239, 84232700), (380, 52977935), (430, 46817710), (475, 42382348), (478, 42116350), (817, 24640900), (860, 23408855), (950, 21191174), (956, 21058175), (1031, 19526300), (1075, 18727084), (1195, 16846540), (1634, 12320450), (1900, 10595587), (2062, 9763150), (2150, 9363542), (2390, 8423270), (3268, 6160225), (4085, 4928180), (4124, 4881575), (4300, 4681771), (4541, 4433300), (4780, 4211635), (5155, 3905260), (5975, 3369308), (8170, 2464090), (9082, 2216650), (10277, 1958900), (10310, 1952630), (11950, 1684654), (16340, 1232045), (18164, 1108325), (19589, 1027700), (20425, 985636), (20554, 979450), (20620, 976315), (22705, 886660), (23900, 842327), (25775, 781052), (39178, 513850), (40850, 492818), (41108, 489725), (44333, 454100), (45410, 443330), (51385, 391780), (51550, 390526), (78356, 256925), (81700, 246409), (88666, 227050), (90820, 221665), (97945, 205540), (102770, 195890), (103100, 195263), (113525, 177332)]