311906140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 144

約数和(自身を含む): 857812032

約数和(自身を除く): 545905892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 289, 340, 364, 442, 455, 476, 578, 593, 595, 884, 910, 1105, 1156, 1186, 1190, 1445, 1547, 1820, 2023, 2210, 2372, 2380, 2890, 2965, 3094, 3757, 4046, 4151, 4420, 5780, 5930, 6188, 7514, 7709, 7735, 8092, 8302, 10081, 10115, 11860, 15028, 15418, 15470, 16604, 18785, 20162, 20230, 20755, 26299, 30836, 30940, 37570, 38545, 40324, 40460, 41510, 50405, 52598, 53963, 70567, 75140, 77090, 83020, 100810, 105196, 107926, 131053, 131495, 141134, 154180, 171377, 201620, 215852, 262106, 262990, 269815, 282268, 342754, 352835, 524212, 525980, 539630, 655265, 685508, 705670, 856885, 917371, 1079260, 1199639, 1310530, 1411340, 1713770, 1834742, 2227901, 2399278, 2621060, 3427540, 3669484, 4455802, 4586855, 4798556, 5998195, 8911604, 9173710, 11139505, 11996390, 15595307, 18347420, 22279010, 23992780, 31190614, 44558020, 62381228, 77976535, 155953070, 311906140]

約数ペア:

[(1, 311906140), (2, 155953070), (4, 77976535), (5, 62381228), (7, 44558020), (10, 31190614), (13, 23992780), (14, 22279010), (17, 18347420), (20, 15595307), (26, 11996390), (28, 11139505), (34, 9173710), (35, 8911604), (52, 5998195), (65, 4798556), (68, 4586855), (70, 4455802), (85, 3669484), (91, 3427540), (119, 2621060), (130, 2399278), (140, 2227901), (170, 1834742), (182, 1713770), (221, 1411340), (238, 1310530), (260, 1199639), (289, 1079260), (340, 917371), (364, 856885), (442, 705670), (455, 685508), (476, 655265), (578, 539630), (593, 525980), (595, 524212), (884, 352835), (910, 342754), (1105, 282268), (1156, 269815), (1186, 262990), (1190, 262106), (1445, 215852), (1547, 201620), (1820, 171377), (2023, 154180), (2210, 141134), (2372, 131495), (2380, 131053), (2890, 107926), (2965, 105196), (3094, 100810), (3757, 83020), (4046, 77090), (4151, 75140), (4420, 70567), (5780, 53963), (5930, 52598), (6188, 50405), (7514, 41510), (7709, 40460), (7735, 40324), (8092, 38545), (8302, 37570), (10081, 30940), (10115, 30836), (11860, 26299), (15028, 20755), (15418, 20230), (15470, 20162), (16604, 18785)]