197879200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 509967360

約数和(自身を除く): 312088160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 79, 80, 100, 101, 124, 155, 158, 160, 200, 202, 248, 310, 316, 395, 400, 404, 496, 505, 620, 632, 775, 790, 800, 808, 992, 1010, 1240, 1264, 1550, 1580, 1616, 1975, 2020, 2449, 2480, 2525, 2528, 3100, 3131, 3160, 3232, 3950, 4040, 4898, 4960, 5050, 6200, 6262, 6320, 7900, 7979, 8080, 9796, 10100, 12245, 12400, 12524, 12640, 15655, 15800, 15958, 16160, 19592, 20200, 24490, 24800, 25048, 31310, 31600, 31916, 39184, 39895, 40400, 48980, 50096, 61225, 62620, 63200, 63832, 78275, 78368, 79790, 80800, 97960, 100192, 122450, 125240, 127664, 156550, 159580, 195920, 199475, 244900, 247349, 250480, 255328, 313100, 319160, 391840, 398950, 489800, 494698, 500960, 626200, 638320, 797900, 979600, 989396, 1236745, 1252400, 1276640, 1595800, 1959200, 1978792, 2473490, 2504800, 3191600, 3957584, 4946980, 6183725, 6383200, 7915168, 9893960, 12367450, 19787920, 24734900, 39575840, 49469800, 98939600, 197879200]

約数ペア:

[(1, 197879200), (2, 98939600), (4, 49469800), (5, 39575840), (8, 24734900), (10, 19787920), (16, 12367450), (20, 9893960), (25, 7915168), (31, 6383200), (32, 6183725), (40, 4946980), (50, 3957584), (62, 3191600), (79, 2504800), (80, 2473490), (100, 1978792), (101, 1959200), (124, 1595800), (155, 1276640), (158, 1252400), (160, 1236745), (200, 989396), (202, 979600), (248, 797900), (310, 638320), (316, 626200), (395, 500960), (400, 494698), (404, 489800), (496, 398950), (505, 391840), (620, 319160), (632, 313100), (775, 255328), (790, 250480), (800, 247349), (808, 244900), (992, 199475), (1010, 195920), (1240, 159580), (1264, 156550), (1550, 127664), (1580, 125240), (1616, 122450), (1975, 100192), (2020, 97960), (2449, 80800), (2480, 79790), (2525, 78368), (2528, 78275), (3100, 63832), (3131, 63200), (3160, 62620), (3232, 61225), (3950, 50096), (4040, 48980), (4898, 40400), (4960, 39895), (5050, 39184), (6200, 31916), (6262, 31600), (6320, 31310), (7900, 25048), (7979, 24800), (8080, 24490), (9796, 20200), (10100, 19592), (12245, 16160), (12400, 15958), (12524, 15800), (12640, 15655)]