2017732990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 4591706112

約数和(自身を除く): 2573973122

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 163, 182, 223, 305, 326, 427, 446, 455, 610, 793, 815, 854, 910, 1115, 1141, 1561, 1586, 1630, 2119, 2135, 2230, 2282, 2899, 3122, 3965, 4238, 4270, 5551, 5705, 5798, 7805, 7930, 9943, 10595, 11102, 11410, 13603, 14495, 14833, 15610, 19886, 20293, 21190, 27206, 27755, 28990, 29666, 36349, 40586, 49715, 55510, 68015, 69601, 72698, 74165, 95221, 99430, 101465, 129259, 136030, 139202, 148330, 176839, 181745, 190442, 202930, 254443, 258518, 348005, 353678, 363490, 472537, 476105, 508886, 646295, 696010, 884195, 904813, 945074, 952210, 1237873, 1272215, 1292590, 1768390, 1809626, 2217289, 2362685, 2475746, 2544430, 3307759, 4434578, 4524065, 4725370, 6189365, 6615518, 9048130, 11086445, 12378730, 15521023, 16538795, 22172890, 28824757, 31042046, 33077590, 57649514, 77605115, 144123785, 155210230, 201773299, 288247570, 403546598, 1008866495, 2017732990]

約数ペア:

[(1, 2017732990), (2, 1008866495), (5, 403546598), (7, 288247570), (10, 201773299), (13, 155210230), (14, 144123785), (26, 77605115), (35, 57649514), (61, 33077590), (65, 31042046), (70, 28824757), (91, 22172890), (122, 16538795), (130, 15521023), (163, 12378730), (182, 11086445), (223, 9048130), (305, 6615518), (326, 6189365), (427, 4725370), (446, 4524065), (455, 4434578), (610, 3307759), (793, 2544430), (815, 2475746), (854, 2362685), (910, 2217289), (1115, 1809626), (1141, 1768390), (1561, 1292590), (1586, 1272215), (1630, 1237873), (2119, 952210), (2135, 945074), (2230, 904813), (2282, 884195), (2899, 696010), (3122, 646295), (3965, 508886), (4238, 476105), (4270, 472537), (5551, 363490), (5705, 353678), (5798, 348005), (7805, 258518), (7930, 254443), (9943, 202930), (10595, 190442), (11102, 181745), (11410, 176839), (13603, 148330), (14495, 139202), (14833, 136030), (15610, 129259), (19886, 101465), (20293, 99430), (21190, 95221), (27206, 74165), (27755, 72698), (28990, 69601), (29666, 68015), (36349, 55510), (40586, 49715)]