784290390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64871}}^1$

素因数の和:64925

約数の個数: 64

約数和(自身を含む): 2092511232

約数和(自身を除く): 1308220842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 64871, 129742, 194613, 324355, 389226, 648710, 843323, 973065, 1686646, 1946130, 2011001, 2529969, 4022002, 4216615, 5059938, 6033003, 8433230, 10055005, 12066006, 12649845, 20110010, 25299690, 26143013, 30165015, 52286026, 60330030, 78429039, 130715065, 156858078, 261430130, 392145195, 784290390]

約数ペア:

[(1, 784290390), (2, 392145195), (3, 261430130), (5, 156858078), (6, 130715065), (10, 78429039), (13, 60330030), (15, 52286026), (26, 30165015), (30, 26143013), (31, 25299690), (39, 20110010), (62, 12649845), (65, 12066006), (78, 10055005), (93, 8433230), (130, 6033003), (155, 5059938), (186, 4216615), (195, 4022002), (310, 2529969), (390, 2011001), (403, 1946130), (465, 1686646), (806, 973065), (930, 843323), (1209, 648710), (2015, 389226), (2418, 324355), (4030, 194613), (6045, 129742), (12090, 64871)]