388798830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:831

約数の個数: 144

約数和(自身を含む): 1186655184

約数和(自身を除く): 797856354

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 131, 147, 210, 245, 262, 294, 315, 393, 441, 490, 630, 655, 673, 735, 786, 882, 917, 1179, 1310, 1346, 1470, 1834, 1965, 2019, 2205, 2358, 2751, 3365, 3930, 4038, 4410, 4585, 4711, 5502, 5895, 6057, 6419, 6730, 8253, 9170, 9422, 10095, 11790, 12114, 12838, 13755, 14133, 16506, 19257, 20190, 23555, 27510, 28266, 30285, 32095, 32977, 38514, 41265, 42399, 47110, 57771, 60570, 64190, 65954, 70665, 82530, 84798, 88163, 96285, 98931, 115542, 141330, 164885, 176326, 192570, 197862, 211995, 264489, 288855, 296793, 329770, 423990, 440815, 494655, 528978, 577710, 593586, 617141, 793467, 881630, 989310, 1234282, 1322445, 1483965, 1586934, 1851423, 2644890, 2967930, 3085705, 3702846, 3967335, 4319987, 5554269, 6171410, 7934670, 8639974, 9257115, 11108538, 12959961, 18514230, 21599935, 25919922, 27771345, 38879883, 43199870, 55542690, 64799805, 77759766, 129599610, 194399415, 388798830]

約数ペア:

[(1, 388798830), (2, 194399415), (3, 129599610), (5, 77759766), (6, 64799805), (7, 55542690), (9, 43199870), (10, 38879883), (14, 27771345), (15, 25919922), (18, 21599935), (21, 18514230), (30, 12959961), (35, 11108538), (42, 9257115), (45, 8639974), (49, 7934670), (63, 6171410), (70, 5554269), (90, 4319987), (98, 3967335), (105, 3702846), (126, 3085705), (131, 2967930), (147, 2644890), (210, 1851423), (245, 1586934), (262, 1483965), (294, 1322445), (315, 1234282), (393, 989310), (441, 881630), (490, 793467), (630, 617141), (655, 593586), (673, 577710), (735, 528978), (786, 494655), (882, 440815), (917, 423990), (1179, 329770), (1310, 296793), (1346, 288855), (1470, 264489), (1834, 211995), (1965, 197862), (2019, 192570), (2205, 176326), (2358, 164885), (2751, 141330), (3365, 115542), (3930, 98931), (4038, 96285), (4410, 88163), (4585, 84798), (4711, 82530), (5502, 70665), (5895, 65954), (6057, 64190), (6419, 60570), (6730, 57771), (8253, 47110), (9170, 42399), (9422, 41265), (10095, 38514), (11790, 32977), (12114, 32095), (12838, 30285), (13755, 28266), (14133, 27510), (16506, 23555), (19257, 20190)]