821907030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:802

約数の個数: 128

約数和(自身を含む): 2341011456

約数和(自身を除く): 1519104426

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 251, 310, 434, 465, 502, 503, 651, 753, 930, 1006, 1085, 1255, 1302, 1506, 1509, 1757, 2170, 2510, 2515, 3018, 3255, 3514, 3521, 3765, 5030, 5271, 6510, 7042, 7530, 7545, 7781, 8785, 10542, 10563, 15090, 15562, 15593, 17570, 17605, 21126, 23343, 26355, 31186, 35210, 38905, 46686, 46779, 52710, 52815, 54467, 77810, 77965, 93558, 105630, 108934, 109151, 116715, 126253, 155930, 163401, 218302, 233430, 233895, 252506, 272335, 326802, 327453, 378759, 467790, 544670, 545755, 631265, 654906, 757518, 817005, 883771, 1091510, 1262530, 1634010, 1637265, 1767542, 1893795, 2651313, 3274530, 3787590, 3913843, 4418855, 5302626, 7827686, 8837710, 11741529, 13256565, 19569215, 23483058, 26513130, 27396901, 39138430, 54793802, 58707645, 82190703, 117415290, 136984505, 164381406, 273969010, 410953515, 821907030]

約数ペア:

[(1, 821907030), (2, 410953515), (3, 273969010), (5, 164381406), (6, 136984505), (7, 117415290), (10, 82190703), (14, 58707645), (15, 54793802), (21, 39138430), (30, 27396901), (31, 26513130), (35, 23483058), (42, 19569215), (62, 13256565), (70, 11741529), (93, 8837710), (105, 7827686), (155, 5302626), (186, 4418855), (210, 3913843), (217, 3787590), (251, 3274530), (310, 2651313), (434, 1893795), (465, 1767542), (502, 1637265), (503, 1634010), (651, 1262530), (753, 1091510), (930, 883771), (1006, 817005), (1085, 757518), (1255, 654906), (1302, 631265), (1506, 545755), (1509, 544670), (1757, 467790), (2170, 378759), (2510, 327453), (2515, 326802), (3018, 272335), (3255, 252506), (3514, 233895), (3521, 233430), (3765, 218302), (5030, 163401), (5271, 155930), (6510, 126253), (7042, 116715), (7530, 109151), (7545, 108934), (7781, 105630), (8785, 93558), (10542, 77965), (10563, 77810), (15090, 54467), (15562, 52815), (15593, 52710), (17570, 46779), (17605, 46686), (21126, 38905), (23343, 35210), (26355, 31186)]