280492030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 655958016

約数和(自身を除く): 375465986

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 61, 62, 65, 70, 91, 122, 130, 155, 163, 182, 217, 305, 310, 326, 403, 427, 434, 455, 610, 793, 806, 815, 854, 910, 1085, 1141, 1586, 1630, 1891, 2015, 2119, 2135, 2170, 2282, 2821, 3782, 3965, 4030, 4238, 4270, 5053, 5551, 5642, 5705, 7930, 9455, 9943, 10106, 10595, 11102, 11410, 13237, 14105, 14833, 18910, 19886, 21190, 24583, 25265, 26474, 27755, 28210, 29666, 35371, 49166, 49715, 50530, 55510, 65689, 66185, 69601, 70742, 74165, 99430, 122915, 129259, 131378, 132370, 139202, 148330, 172081, 176855, 245830, 258518, 308233, 328445, 344162, 348005, 353710, 459823, 616466, 646295, 656890, 696010, 860405, 904813, 919646, 1292590, 1541165, 1720810, 1809626, 2157631, 2299115, 3082330, 4007029, 4315262, 4524065, 4598230, 8014058, 9048130, 10788155, 20035145, 21576310, 28049203, 40070290, 56098406, 140246015, 280492030]

約数ペア:

[(1, 280492030), (2, 140246015), (5, 56098406), (7, 40070290), (10, 28049203), (13, 21576310), (14, 20035145), (26, 10788155), (31, 9048130), (35, 8014058), (61, 4598230), (62, 4524065), (65, 4315262), (70, 4007029), (91, 3082330), (122, 2299115), (130, 2157631), (155, 1809626), (163, 1720810), (182, 1541165), (217, 1292590), (305, 919646), (310, 904813), (326, 860405), (403, 696010), (427, 656890), (434, 646295), (455, 616466), (610, 459823), (793, 353710), (806, 348005), (815, 344162), (854, 328445), (910, 308233), (1085, 258518), (1141, 245830), (1586, 176855), (1630, 172081), (1891, 148330), (2015, 139202), (2119, 132370), (2135, 131378), (2170, 129259), (2282, 122915), (2821, 99430), (3782, 74165), (3965, 70742), (4030, 69601), (4238, 66185), (4270, 65689), (5053, 55510), (5551, 50530), (5642, 49715), (5705, 49166), (7930, 35371), (9455, 29666), (9943, 28210), (10106, 27755), (10595, 26474), (11102, 25265), (11410, 24583), (13237, 21190), (14105, 19886), (14833, 18910)]