268522820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 634677120

約数和(自身を除く): 366154300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 197, 211, 323, 340, 380, 394, 422, 646, 788, 844, 985, 1055, 1292, 1615, 1970, 2110, 3230, 3349, 3587, 3743, 3940, 4009, 4220, 6460, 6698, 7174, 7486, 8018, 13396, 14348, 14972, 16036, 16745, 17935, 18715, 20045, 33490, 35870, 37430, 40090, 41567, 63631, 66980, 68153, 71740, 74860, 80180, 83134, 127262, 136306, 166268, 207835, 254524, 272612, 318155, 340765, 415670, 636310, 681530, 706639, 789773, 831340, 1272620, 1363060, 1413278, 1579546, 2826556, 3159092, 3533195, 3948865, 7066390, 7897730, 13426141, 14132780, 15795460, 26852282, 53704564, 67130705, 134261410, 268522820]

約数ペア:

[(1, 268522820), (2, 134261410), (4, 67130705), (5, 53704564), (10, 26852282), (17, 15795460), (19, 14132780), (20, 13426141), (34, 7897730), (38, 7066390), (68, 3948865), (76, 3533195), (85, 3159092), (95, 2826556), (170, 1579546), (190, 1413278), (197, 1363060), (211, 1272620), (323, 831340), (340, 789773), (380, 706639), (394, 681530), (422, 636310), (646, 415670), (788, 340765), (844, 318155), (985, 272612), (1055, 254524), (1292, 207835), (1615, 166268), (1970, 136306), (2110, 127262), (3230, 83134), (3349, 80180), (3587, 74860), (3743, 71740), (3940, 68153), (4009, 66980), (4220, 63631), (6460, 41567), (6698, 40090), (7174, 37430), (7486, 35870), (8018, 33490), (13396, 20045), (14348, 18715), (14972, 17935), (16036, 16745)]