19156988900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{2357}}^1$

素因数の和:3078

約数の個数: 144

約数和(自身を含む): 50399024256

約数和(自身を除く): 31242035356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 683, 700, 850, 1190, 1366, 1700, 2357, 2380, 2732, 2975, 3415, 4714, 4781, 5950, 6830, 9428, 9562, 11611, 11785, 11900, 13660, 16499, 17075, 19124, 23222, 23570, 23905, 32998, 34150, 40069, 46444, 47140, 47810, 58055, 58925, 65996, 68300, 80138, 81277, 82495, 95620, 116110, 117850, 119525, 160276, 162554, 164990, 200345, 232220, 235700, 239050, 280483, 290275, 325108, 329980, 400690, 406385, 412475, 478100, 560966, 580550, 801380, 812770, 824950, 1001725, 1121932, 1161100, 1402415, 1609831, 1625540, 1649900, 2003450, 2031925, 2804830, 3219662, 4006900, 4063850, 5609660, 6439324, 7012075, 8049155, 8127700, 11268817, 14024150, 16098310, 22537634, 27367127, 28048300, 32196620, 40245775, 45075268, 54734254, 56344085, 80491550, 109468508, 112688170, 136835635, 160983100, 191569889, 225376340, 273671270, 281720425, 383139778, 547342540, 563440850, 684178175, 766279556, 957849445, 1126881700, 1368356350, 1915698890, 2736712700, 3831397780, 4789247225, 9578494450, 19156988900]

約数ペア:

[(1, 19156988900), (2, 9578494450), (4, 4789247225), (5, 3831397780), (7, 2736712700), (10, 1915698890), (14, 1368356350), (17, 1126881700), (20, 957849445), (25, 766279556), (28, 684178175), (34, 563440850), (35, 547342540), (50, 383139778), (68, 281720425), (70, 273671270), (85, 225376340), (100, 191569889), (119, 160983100), (140, 136835635), (170, 112688170), (175, 109468508), (238, 80491550), (340, 56344085), (350, 54734254), (425, 45075268), (476, 40245775), (595, 32196620), (683, 28048300), (700, 27367127), (850, 22537634), (1190, 16098310), (1366, 14024150), (1700, 11268817), (2357, 8127700), (2380, 8049155), (2732, 7012075), (2975, 6439324), (3415, 5609660), (4714, 4063850), (4781, 4006900), (5950, 3219662), (6830, 2804830), (9428, 2031925), (9562, 2003450), (11611, 1649900), (11785, 1625540), (11900, 1609831), (13660, 1402415), (16499, 1161100), (17075, 1121932), (19124, 1001725), (23222, 824950), (23570, 812770), (23905, 801380), (32998, 580550), (34150, 560966), (40069, 478100), (46444, 412475), (47140, 406385), (47810, 400690), (58055, 329980), (58925, 325108), (65996, 290275), (68300, 280483), (80138, 239050), (81277, 235700), (82495, 232220), (95620, 200345), (116110, 164990), (117850, 162554), (119525, 160276)]