2544878164

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 4898745600

約数和(自身を除く): 2353867436

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 139, 278, 361, 409, 556, 589, 722, 818, 1178, 1444, 1636, 2356, 2641, 4309, 5282, 7771, 8618, 10564, 11191, 12679, 15542, 17236, 22382, 25358, 31084, 44764, 50179, 50716, 56851, 81871, 100358, 113702, 147649, 163742, 200716, 227404, 240901, 295298, 327484, 481802, 590596, 963604, 1080169, 1555549, 1762381, 2160338, 3111098, 3524762, 4320676, 4577119, 6222196, 7049524, 9154238, 18308476, 20523211, 33485239, 41046422, 66970478, 82092844, 133940956, 636219541, 1272439082, 2544878164]

約数ペア:

[(1, 2544878164), (2, 1272439082), (4, 636219541), (19, 133940956), (31, 82092844), (38, 66970478), (62, 41046422), (76, 33485239), (124, 20523211), (139, 18308476), (278, 9154238), (361, 7049524), (409, 6222196), (556, 4577119), (589, 4320676), (722, 3524762), (818, 3111098), (1178, 2160338), (1444, 1762381), (1636, 1555549), (2356, 1080169), (2641, 963604), (4309, 590596), (5282, 481802), (7771, 327484), (8618, 295298), (10564, 240901), (11191, 227404), (12679, 200716), (15542, 163742), (17236, 147649), (22382, 113702), (25358, 100358), (31084, 81871), (44764, 56851), (50179, 50716)]