291226390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4157

約数の個数: 64

約数和(自身を含む): 653506560

約数和(自身を除く): 362280170

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 2054, 2765, 4051, 5135, 5530, 7189, 8102, 10270, 14378, 20255, 28357, 35945, 40510, 52663, 56714, 71890, 105326, 141785, 263315, 283570, 320029, 368641, 526630, 640058, 737282, 1600145, 1843205, 2240203, 3200290, 3686410, 4160377, 4480406, 8320754, 11201015, 20801885, 22402030, 29122639, 41603770, 58245278, 145613195, 291226390]

約数ペア:

[(1, 291226390), (2, 145613195), (5, 58245278), (7, 41603770), (10, 29122639), (13, 22402030), (14, 20801885), (26, 11201015), (35, 8320754), (65, 4480406), (70, 4160377), (79, 3686410), (91, 3200290), (130, 2240203), (158, 1843205), (182, 1600145), (395, 737282), (455, 640058), (553, 526630), (790, 368641), (910, 320029), (1027, 283570), (1106, 263315), (2054, 141785), (2765, 105326), (4051, 71890), (5135, 56714), (5530, 52663), (7189, 40510), (8102, 35945), (10270, 28357), (14378, 20255)]