199904952

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 557948160

約数和(自身を除く): 358043208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 73, 78, 104, 131, 134, 146, 156, 201, 219, 262, 268, 292, 312, 393, 402, 438, 524, 536, 584, 786, 804, 871, 876, 949, 1048, 1572, 1608, 1703, 1742, 1752, 1898, 2613, 2847, 3144, 3406, 3484, 3796, 4891, 5109, 5226, 5694, 6812, 6968, 7592, 8777, 9563, 9782, 10218, 10452, 11388, 13624, 14673, 17554, 19126, 19564, 20436, 20904, 22776, 26331, 28689, 29346, 35108, 38252, 39128, 40872, 52662, 57378, 58692, 63583, 70216, 76504, 105324, 114101, 114756, 117384, 124319, 127166, 190749, 210648, 228202, 229512, 248638, 254332, 342303, 372957, 381498, 456404, 497276, 508664, 640721, 684606, 745914, 762996, 912808, 994552, 1281442, 1369212, 1491828, 1525992, 1922163, 2562884, 2738424, 2983656, 3844326, 5125768, 7688652, 8329373, 15377304, 16658746, 24988119, 33317492, 49976238, 66634984, 99952476, 199904952]

約数ペア:

[(1, 199904952), (2, 99952476), (3, 66634984), (4, 49976238), (6, 33317492), (8, 24988119), (12, 16658746), (13, 15377304), (24, 8329373), (26, 7688652), (39, 5125768), (52, 3844326), (67, 2983656), (73, 2738424), (78, 2562884), (104, 1922163), (131, 1525992), (134, 1491828), (146, 1369212), (156, 1281442), (201, 994552), (219, 912808), (262, 762996), (268, 745914), (292, 684606), (312, 640721), (393, 508664), (402, 497276), (438, 456404), (524, 381498), (536, 372957), (584, 342303), (786, 254332), (804, 248638), (871, 229512), (876, 228202), (949, 210648), (1048, 190749), (1572, 127166), (1608, 124319), (1703, 117384), (1742, 114756), (1752, 114101), (1898, 105324), (2613, 76504), (2847, 70216), (3144, 63583), (3406, 58692), (3484, 57378), (3796, 52662), (4891, 40872), (5109, 39128), (5226, 38252), (5694, 35108), (6812, 29346), (6968, 28689), (7592, 26331), (8777, 22776), (9563, 20904), (9782, 20436), (10218, 19564), (10452, 19126), (11388, 17554), (13624, 14673)]