2021468540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1708

約数の個数: 144

約数和(自身を含む): 5374089504

約数和(自身を除く): 3352620964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 101, 130, 140, 182, 196, 202, 245, 260, 364, 404, 455, 490, 505, 637, 707, 910, 980, 1010, 1274, 1313, 1414, 1571, 1820, 2020, 2548, 2626, 2828, 3142, 3185, 3535, 4949, 5252, 6284, 6370, 6565, 7070, 7855, 9191, 9898, 10997, 12740, 13130, 14140, 15710, 18382, 19796, 20423, 21994, 24745, 26260, 31420, 36764, 40846, 43988, 45955, 49490, 54985, 64337, 76979, 81692, 91910, 98980, 102115, 109970, 128674, 142961, 153958, 158671, 183820, 204230, 219940, 257348, 285922, 307916, 317342, 321685, 384895, 408460, 571844, 634684, 643370, 714805, 769790, 793355, 1000727, 1110697, 1286740, 1429610, 1539580, 1586710, 2001454, 2062723, 2221394, 2859220, 3173420, 4002908, 4125446, 4442788, 5003635, 5553485, 7774879, 8250892, 10007270, 10313615, 11106970, 14439061, 15549758, 20014540, 20627230, 22213940, 28878122, 31099516, 38874395, 41254460, 57756244, 72195305, 77748790, 101073427, 144390610, 155497580, 202146854, 288781220, 404293708, 505367135, 1010734270, 2021468540]

約数ペア:

[(1, 2021468540), (2, 1010734270), (4, 505367135), (5, 404293708), (7, 288781220), (10, 202146854), (13, 155497580), (14, 144390610), (20, 101073427), (26, 77748790), (28, 72195305), (35, 57756244), (49, 41254460), (52, 38874395), (65, 31099516), (70, 28878122), (91, 22213940), (98, 20627230), (101, 20014540), (130, 15549758), (140, 14439061), (182, 11106970), (196, 10313615), (202, 10007270), (245, 8250892), (260, 7774879), (364, 5553485), (404, 5003635), (455, 4442788), (490, 4125446), (505, 4002908), (637, 3173420), (707, 2859220), (910, 2221394), (980, 2062723), (1010, 2001454), (1274, 1586710), (1313, 1539580), (1414, 1429610), (1571, 1286740), (1820, 1110697), (2020, 1000727), (2548, 793355), (2626, 769790), (2828, 714805), (3142, 643370), (3185, 634684), (3535, 571844), (4949, 408460), (5252, 384895), (6284, 321685), (6370, 317342), (6565, 307916), (7070, 285922), (7855, 257348), (9191, 219940), (9898, 204230), (10997, 183820), (12740, 158671), (13130, 153958), (14140, 142961), (15710, 128674), (18382, 109970), (19796, 102115), (20423, 98980), (21994, 91910), (24745, 81692), (26260, 76979), (31420, 64337), (36764, 54985), (40846, 49490), (43988, 45955)]