28013600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 108

約数和(自身を含む): 72921114

約数和(自身を除く): 44907514

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 97, 100, 152, 160, 190, 194, 200, 304, 361, 380, 388, 400, 475, 485, 608, 722, 760, 776, 800, 950, 970, 1444, 1520, 1552, 1805, 1843, 1900, 1940, 2425, 2888, 3040, 3104, 3610, 3686, 3800, 3880, 4850, 5776, 7220, 7372, 7600, 7760, 9025, 9215, 9700, 11552, 14440, 14744, 15200, 15520, 18050, 18430, 19400, 28880, 29488, 35017, 36100, 36860, 38800, 46075, 57760, 58976, 70034, 72200, 73720, 77600, 92150, 140068, 144400, 147440, 175085, 184300, 280136, 288800, 294880, 350170, 368600, 560272, 700340, 737200, 875425, 1120544, 1400680, 1474400, 1750850, 2801360, 3501700, 5602720, 7003400, 14006800, 28013600]

約数ペア:

[(1, 28013600), (2, 14006800), (4, 7003400), (5, 5602720), (8, 3501700), (10, 2801360), (16, 1750850), (19, 1474400), (20, 1400680), (25, 1120544), (32, 875425), (38, 737200), (40, 700340), (50, 560272), (76, 368600), (80, 350170), (95, 294880), (97, 288800), (100, 280136), (152, 184300), (160, 175085), (190, 147440), (194, 144400), (200, 140068), (304, 92150), (361, 77600), (380, 73720), (388, 72200), (400, 70034), (475, 58976), (485, 57760), (608, 46075), (722, 38800), (760, 36860), (776, 36100), (800, 35017), (950, 29488), (970, 28880), (1444, 19400), (1520, 18430), (1552, 18050), (1805, 15520), (1843, 15200), (1900, 14744), (1940, 14440), (2425, 11552), (2888, 9700), (3040, 9215), (3104, 9025), (3610, 7760), (3686, 7600), (3800, 7372), (3880, 7220), (4850, 5776)]