671750300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 1640957472

約数和(自身を除く): 969207172

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 61, 65, 86, 100, 122, 130, 172, 197, 215, 244, 260, 305, 325, 394, 430, 559, 610, 650, 788, 793, 860, 985, 1075, 1118, 1220, 1300, 1525, 1586, 1970, 2150, 2236, 2561, 2623, 2795, 3050, 3172, 3940, 3965, 4300, 4925, 5122, 5246, 5590, 6100, 7930, 8471, 9850, 10244, 10492, 11180, 12017, 12805, 13115, 13975, 15860, 16942, 19700, 19825, 24034, 25610, 26230, 27950, 33884, 34099, 39650, 42355, 48068, 51220, 52460, 55900, 60085, 64025, 65575, 68198, 79300, 84710, 110123, 120170, 128050, 131150, 136396, 156221, 169420, 170495, 211775, 220246, 240340, 256100, 262300, 300425, 312442, 340990, 423550, 440492, 516731, 550615, 600850, 624884, 681980, 781105, 847100, 852475, 1033462, 1101230, 1201700, 1562210, 1704950, 2066924, 2202460, 2583655, 2753075, 3124420, 3409900, 3905525, 5167310, 5506150, 6717503, 7811050, 10334620, 11012300, 12918275, 13435006, 15622100, 25836550, 26870012, 33587515, 51673100, 67175030, 134350060, 167937575, 335875150, 671750300]

約数ペア:

[(1, 671750300), (2, 335875150), (4, 167937575), (5, 134350060), (10, 67175030), (13, 51673100), (20, 33587515), (25, 26870012), (26, 25836550), (43, 15622100), (50, 13435006), (52, 12918275), (61, 11012300), (65, 10334620), (86, 7811050), (100, 6717503), (122, 5506150), (130, 5167310), (172, 3905525), (197, 3409900), (215, 3124420), (244, 2753075), (260, 2583655), (305, 2202460), (325, 2066924), (394, 1704950), (430, 1562210), (559, 1201700), (610, 1101230), (650, 1033462), (788, 852475), (793, 847100), (860, 781105), (985, 681980), (1075, 624884), (1118, 600850), (1220, 550615), (1300, 516731), (1525, 440492), (1586, 423550), (1970, 340990), (2150, 312442), (2236, 300425), (2561, 262300), (2623, 256100), (2795, 240340), (3050, 220246), (3172, 211775), (3940, 170495), (3965, 169420), (4300, 156221), (4925, 136396), (5122, 131150), (5246, 128050), (5590, 120170), (6100, 110123), (7930, 84710), (8471, 79300), (9850, 68198), (10244, 65575), (10492, 64025), (11180, 60085), (12017, 55900), (12805, 52460), (13115, 51220), (13975, 48068), (15860, 42355), (16942, 39650), (19700, 34099), (19825, 33884), (24034, 27950), (25610, 26230)]