173880020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 402192000

約数和(自身を除く): 228311980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 83, 95, 148, 149, 166, 185, 190, 298, 332, 370, 380, 415, 596, 703, 740, 745, 830, 1406, 1490, 1577, 1660, 2812, 2831, 2980, 3071, 3154, 3515, 5513, 5662, 6142, 6308, 7030, 7885, 11026, 11324, 12284, 12367, 14060, 14155, 15355, 15770, 22052, 24734, 27565, 28310, 30710, 31540, 49468, 55130, 56620, 58349, 61420, 61835, 104747, 110260, 116698, 123670, 209494, 233396, 234973, 247340, 291745, 418988, 457579, 469946, 523735, 583490, 915158, 939892, 1047470, 1166980, 1174865, 1830316, 2094940, 2287895, 2349730, 4575790, 4699460, 8694001, 9151580, 17388002, 34776004, 43470005, 86940010, 173880020]

約数ペア:

[(1, 173880020), (2, 86940010), (4, 43470005), (5, 34776004), (10, 17388002), (19, 9151580), (20, 8694001), (37, 4699460), (38, 4575790), (74, 2349730), (76, 2287895), (83, 2094940), (95, 1830316), (148, 1174865), (149, 1166980), (166, 1047470), (185, 939892), (190, 915158), (298, 583490), (332, 523735), (370, 469946), (380, 457579), (415, 418988), (596, 291745), (703, 247340), (740, 234973), (745, 233396), (830, 209494), (1406, 123670), (1490, 116698), (1577, 110260), (1660, 104747), (2812, 61835), (2831, 61420), (2980, 58349), (3071, 56620), (3154, 55130), (3515, 49468), (5513, 31540), (5662, 30710), (6142, 28310), (6308, 27565), (7030, 24734), (7885, 22052), (11026, 15770), (11324, 15355), (12284, 14155), (12367, 14060)]