221434860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 475294740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 47, 51, 60, 62, 68, 85, 93, 94, 102, 124, 141, 149, 155, 170, 186, 188, 204, 235, 255, 282, 298, 310, 340, 372, 447, 465, 470, 510, 527, 564, 596, 620, 705, 745, 799, 894, 930, 940, 1020, 1054, 1410, 1457, 1490, 1581, 1598, 1788, 1860, 2108, 2235, 2397, 2533, 2635, 2820, 2914, 2980, 3162, 3196, 3995, 4371, 4470, 4619, 4794, 5066, 5270, 5828, 6324, 7003, 7285, 7599, 7905, 7990, 8742, 8940, 9238, 9588, 10132, 10540, 11985, 12665, 13857, 14006, 14570, 15198, 15810, 15980, 17484, 18476, 21009, 21855, 23095, 23970, 24769, 25330, 27714, 28012, 29140, 30396, 31620, 35015, 37995, 42018, 43710, 46190, 47940, 49538, 50660, 55428, 69285, 70030, 74307, 75990, 78523, 84036, 87420, 92380, 99076, 105045, 119051, 123845, 138570, 140060, 148614, 151980, 157046, 210090, 217093, 235569, 238102, 247690, 277140, 297228, 314092, 357153, 371535, 392615, 420180, 434186, 471138, 476204, 495380, 595255, 651279, 714306, 743070, 785230, 868372, 942276, 1085465, 1177845, 1190510, 1302558, 1428612, 1486140, 1570460, 1785765, 2170930, 2355690, 2381020, 2605116, 3256395, 3571530, 3690581, 4341860, 4711380, 6512790, 7143060, 7381162, 11071743, 13025580, 14762324, 18452905, 22143486, 36905810, 44286972, 55358715, 73811620, 110717430, 221434860]

約数ペア:

[(1, 221434860), (2, 110717430), (3, 73811620), (4, 55358715), (5, 44286972), (6, 36905810), (10, 22143486), (12, 18452905), (15, 14762324), (17, 13025580), (20, 11071743), (30, 7381162), (31, 7143060), (34, 6512790), (47, 4711380), (51, 4341860), (60, 3690581), (62, 3571530), (68, 3256395), (85, 2605116), (93, 2381020), (94, 2355690), (102, 2170930), (124, 1785765), (141, 1570460), (149, 1486140), (155, 1428612), (170, 1302558), (186, 1190510), (188, 1177845), (204, 1085465), (235, 942276), (255, 868372), (282, 785230), (298, 743070), (310, 714306), (340, 651279), (372, 595255), (447, 495380), (465, 476204), (470, 471138), (510, 434186), (527, 420180), (564, 392615), (596, 371535), (620, 357153), (705, 314092), (745, 297228), (799, 277140), (894, 247690), (930, 238102), (940, 235569), (1020, 217093), (1054, 210090), (1410, 157046), (1457, 151980), (1490, 148614), (1581, 140060), (1598, 138570), (1788, 123845), (1860, 119051), (2108, 105045), (2235, 99076), (2397, 92380), (2533, 87420), (2635, 84036), (2820, 78523), (2914, 75990), (2980, 74307), (3162, 70030), (3196, 69285), (3995, 55428), (4371, 50660), (4470, 49538), (4619, 47940), (4794, 46190), (5066, 43710), (5270, 42018), (5828, 37995), (6324, 35015), (7003, 31620), (7285, 30396), (7599, 29140), (7905, 28012), (7990, 27714), (8742, 25330), (8940, 24769), (9238, 23970), (9588, 23095), (10132, 21855), (10540, 21009), (11985, 18476), (12665, 17484), (13857, 15980), (14006, 15810), (14570, 15198)]