999701900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 2362348800

約数和(自身を除く): 1362646900

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 53, 59, 92, 100, 106, 115, 118, 139, 212, 230, 236, 265, 278, 295, 460, 530, 556, 575, 590, 695, 1060, 1150, 1180, 1219, 1325, 1357, 1390, 1475, 2300, 2438, 2650, 2714, 2780, 2950, 3127, 3197, 3475, 4876, 5300, 5428, 5900, 6095, 6254, 6394, 6785, 6950, 7367, 8201, 12190, 12508, 12788, 13570, 13900, 14734, 15635, 15985, 16402, 24380, 27140, 29468, 30475, 31270, 31970, 32804, 33925, 36835, 41005, 60950, 62540, 63940, 67850, 71921, 73670, 78175, 79925, 82010, 121900, 135700, 143842, 147340, 156350, 159850, 164020, 169441, 184175, 188623, 205025, 287684, 312700, 319700, 338882, 359605, 368350, 377246, 410050, 434653, 677764, 719210, 736700, 754492, 820100, 847205, 869306, 943115, 1438420, 1694410, 1738612, 1798025, 1886230, 2173265, 3388820, 3596050, 3772460, 4236025, 4346530, 4715575, 7192100, 8472050, 8693060, 9431150, 9997019, 10866325, 16944100, 18862300, 19994038, 21732650, 39988076, 43465300, 49985095, 99970190, 199940380, 249925475, 499850950, 999701900]

約数ペア:

[(1, 999701900), (2, 499850950), (4, 249925475), (5, 199940380), (10, 99970190), (20, 49985095), (23, 43465300), (25, 39988076), (46, 21732650), (50, 19994038), (53, 18862300), (59, 16944100), (92, 10866325), (100, 9997019), (106, 9431150), (115, 8693060), (118, 8472050), (139, 7192100), (212, 4715575), (230, 4346530), (236, 4236025), (265, 3772460), (278, 3596050), (295, 3388820), (460, 2173265), (530, 1886230), (556, 1798025), (575, 1738612), (590, 1694410), (695, 1438420), (1060, 943115), (1150, 869306), (1180, 847205), (1219, 820100), (1325, 754492), (1357, 736700), (1390, 719210), (1475, 677764), (2300, 434653), (2438, 410050), (2650, 377246), (2714, 368350), (2780, 359605), (2950, 338882), (3127, 319700), (3197, 312700), (3475, 287684), (4876, 205025), (5300, 188623), (5428, 184175), (5900, 169441), (6095, 164020), (6254, 159850), (6394, 156350), (6785, 147340), (6950, 143842), (7367, 135700), (8201, 121900), (12190, 82010), (12508, 79925), (12788, 78175), (13570, 73670), (13900, 71921), (14734, 67850), (15635, 63940), (15985, 62540), (16402, 60950), (24380, 41005), (27140, 36835), (29468, 33925), (30475, 32804), (31270, 31970)]