21945959500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{8221}}^1$

素因数の和:8540

約数の個数: 96

約数和(自身を含む): 50638311360

約数和(自身を除く): 28692351860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 281, 380, 475, 500, 562, 950, 1124, 1405, 1900, 2375, 2810, 4750, 5339, 5620, 7025, 8221, 9500, 10678, 14050, 16442, 21356, 26695, 28100, 32884, 35125, 41105, 53390, 70250, 82210, 106780, 133475, 140500, 156199, 164420, 205525, 266950, 312398, 411050, 533900, 624796, 667375, 780995, 822100, 1027625, 1334750, 1561990, 2055250, 2310101, 2669500, 3123980, 3904975, 4110500, 4620202, 7809950, 9240404, 11550505, 15619900, 19524875, 23101010, 39049750, 43891919, 46202020, 57752525, 78099500, 87783838, 115505050, 175567676, 219459595, 231010100, 288762625, 438919190, 577525250, 877838380, 1097297975, 1155050500, 2194595950, 4389191900, 5486489875, 10972979750, 21945959500]

約数ペア:

[(1, 21945959500), (2, 10972979750), (4, 5486489875), (5, 4389191900), (10, 2194595950), (19, 1155050500), (20, 1097297975), (25, 877838380), (38, 577525250), (50, 438919190), (76, 288762625), (95, 231010100), (100, 219459595), (125, 175567676), (190, 115505050), (250, 87783838), (281, 78099500), (380, 57752525), (475, 46202020), (500, 43891919), (562, 39049750), (950, 23101010), (1124, 19524875), (1405, 15619900), (1900, 11550505), (2375, 9240404), (2810, 7809950), (4750, 4620202), (5339, 4110500), (5620, 3904975), (7025, 3123980), (8221, 2669500), (9500, 2310101), (10678, 2055250), (14050, 1561990), (16442, 1334750), (21356, 1027625), (26695, 822100), (28100, 780995), (32884, 667375), (35125, 624796), (41105, 533900), (53390, 411050), (70250, 312398), (82210, 266950), (106780, 205525), (133475, 164420), (140500, 156199)]