78143200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 206705520

約数和(自身を除く): 128562320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 53, 76, 80, 95, 97, 100, 106, 152, 160, 190, 194, 200, 212, 265, 304, 380, 388, 400, 424, 475, 485, 530, 608, 760, 776, 800, 848, 950, 970, 1007, 1060, 1325, 1520, 1552, 1696, 1843, 1900, 1940, 2014, 2120, 2425, 2650, 3040, 3104, 3686, 3800, 3880, 4028, 4240, 4850, 5035, 5141, 5300, 7372, 7600, 7760, 8056, 8480, 9215, 9700, 10070, 10282, 10600, 14744, 15200, 15520, 16112, 18430, 19400, 20140, 20564, 21200, 25175, 25705, 29488, 32224, 36860, 38800, 40280, 41128, 42400, 46075, 50350, 51410, 58976, 73720, 77600, 80560, 82256, 92150, 97679, 100700, 102820, 128525, 147440, 161120, 164512, 184300, 195358, 201400, 205640, 257050, 294880, 368600, 390716, 402800, 411280, 488395, 514100, 737200, 781432, 805600, 822560, 976790, 1028200, 1474400, 1562864, 1953580, 2056400, 2441975, 3125728, 3907160, 4112800, 4883950, 7814320, 9767900, 15628640, 19535800, 39071600, 78143200]

約数ペア:

[(1, 78143200), (2, 39071600), (4, 19535800), (5, 15628640), (8, 9767900), (10, 7814320), (16, 4883950), (19, 4112800), (20, 3907160), (25, 3125728), (32, 2441975), (38, 2056400), (40, 1953580), (50, 1562864), (53, 1474400), (76, 1028200), (80, 976790), (95, 822560), (97, 805600), (100, 781432), (106, 737200), (152, 514100), (160, 488395), (190, 411280), (194, 402800), (200, 390716), (212, 368600), (265, 294880), (304, 257050), (380, 205640), (388, 201400), (400, 195358), (424, 184300), (475, 164512), (485, 161120), (530, 147440), (608, 128525), (760, 102820), (776, 100700), (800, 97679), (848, 92150), (950, 82256), (970, 80560), (1007, 77600), (1060, 73720), (1325, 58976), (1520, 51410), (1552, 50350), (1696, 46075), (1843, 42400), (1900, 41128), (1940, 40280), (2014, 38800), (2120, 36860), (2425, 32224), (2650, 29488), (3040, 25705), (3104, 25175), (3686, 21200), (3800, 20564), (3880, 20140), (4028, 19400), (4240, 18430), (4850, 16112), (5035, 15520), (5141, 15200), (5300, 14744), (7372, 10600), (7600, 10282), (7760, 10070), (8056, 9700), (8480, 9215)]