28304490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 51321750

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 30, 34, 38, 46, 51, 57, 69, 85, 95, 102, 114, 115, 127, 138, 170, 190, 230, 254, 255, 285, 323, 345, 381, 391, 437, 510, 570, 635, 646, 690, 762, 782, 874, 969, 1173, 1270, 1311, 1615, 1905, 1938, 1955, 2159, 2185, 2346, 2413, 2622, 2921, 3230, 3810, 3910, 4318, 4370, 4826, 4845, 5842, 5865, 6477, 6555, 7239, 7429, 8763, 9690, 10795, 11730, 12065, 12954, 13110, 14478, 14605, 14858, 17526, 21590, 22287, 24130, 29210, 32385, 36195, 37145, 41021, 43815, 44574, 49657, 55499, 64770, 72390, 74290, 82042, 87630, 99314, 110998, 111435, 123063, 148971, 166497, 205105, 222870, 246126, 248285, 277495, 297942, 332994, 410210, 496570, 554990, 615315, 744855, 832485, 943483, 1230630, 1489710, 1664970, 1886966, 2830449, 4717415, 5660898, 9434830, 14152245, 28304490]

約数ペア:

[(1, 28304490), (2, 14152245), (3, 9434830), (5, 5660898), (6, 4717415), (10, 2830449), (15, 1886966), (17, 1664970), (19, 1489710), (23, 1230630), (30, 943483), (34, 832485), (38, 744855), (46, 615315), (51, 554990), (57, 496570), (69, 410210), (85, 332994), (95, 297942), (102, 277495), (114, 248285), (115, 246126), (127, 222870), (138, 205105), (170, 166497), (190, 148971), (230, 123063), (254, 111435), (255, 110998), (285, 99314), (323, 87630), (345, 82042), (381, 74290), (391, 72390), (437, 64770), (510, 55499), (570, 49657), (635, 44574), (646, 43815), (690, 41021), (762, 37145), (782, 36195), (874, 32385), (969, 29210), (1173, 24130), (1270, 22287), (1311, 21590), (1615, 17526), (1905, 14858), (1938, 14605), (1955, 14478), (2159, 13110), (2185, 12954), (2346, 12065), (2413, 11730), (2622, 10795), (2921, 9690), (3230, 8763), (3810, 7429), (3910, 7239), (4318, 6555), (4370, 6477), (4826, 5865), (4845, 5842)]