1207455890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7069}}^1$

素因数の和:7155

約数の個数: 64

約数和(自身を含む): 2443392000

約数和(自身を除く): 1235936110

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1798, 2755, 2945, 4495, 5510, 5890, 7069, 8990, 14138, 17081, 34162, 35345, 70690, 85405, 134311, 170810, 205001, 219139, 268622, 410002, 438278, 671555, 1025005, 1095695, 1343110, 2050010, 2191390, 3895019, 4163641, 6355031, 7790038, 8327282, 12710062, 19475095, 20818205, 31775155, 38950190, 41636410, 63550310, 120745589, 241491178, 603727945, 1207455890]

約数ペア:

[(1, 1207455890), (2, 603727945), (5, 241491178), (10, 120745589), (19, 63550310), (29, 41636410), (31, 38950190), (38, 31775155), (58, 20818205), (62, 19475095), (95, 12710062), (145, 8327282), (155, 7790038), (190, 6355031), (290, 4163641), (310, 3895019), (551, 2191390), (589, 2050010), (899, 1343110), (1102, 1095695), (1178, 1025005), (1798, 671555), (2755, 438278), (2945, 410002), (4495, 268622), (5510, 219139), (5890, 205001), (7069, 170810), (8990, 134311), (14138, 85405), (17081, 70690), (34162, 35345)]