217420980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16699}}^1$

素因数の和:16749

約数の個数: 96

約数和(自身を含む): 718233600

約数和(自身を除く): 500812620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 16699, 33398, 50097, 66796, 83495, 100194, 116893, 166990, 200388, 233786, 250485, 333980, 350679, 467572, 500970, 517669, 584465, 701358, 1001940, 1035338, 1168930, 1402716, 1553007, 1753395, 2070676, 2337860, 2588345, 3106014, 3506790, 3623683, 5176690, 6212028, 7013580, 7247366, 7765035, 10353380, 10871049, 14494732, 15530070, 18118415, 21742098, 31060140, 36236830, 43484196, 54355245, 72473660, 108710490, 217420980]

約数ペア:

[(1, 217420980), (2, 108710490), (3, 72473660), (4, 54355245), (5, 43484196), (6, 36236830), (7, 31060140), (10, 21742098), (12, 18118415), (14, 15530070), (15, 14494732), (20, 10871049), (21, 10353380), (28, 7765035), (30, 7247366), (31, 7013580), (35, 6212028), (42, 5176690), (60, 3623683), (62, 3506790), (70, 3106014), (84, 2588345), (93, 2337860), (105, 2070676), (124, 1753395), (140, 1553007), (155, 1402716), (186, 1168930), (210, 1035338), (217, 1001940), (310, 701358), (372, 584465), (420, 517669), (434, 500970), (465, 467572), (620, 350679), (651, 333980), (868, 250485), (930, 233786), (1085, 200388), (1302, 166990), (1860, 116893), (2170, 100194), (2604, 83495), (3255, 66796), (4340, 50097), (6510, 33398), (13020, 16699)]