1907061920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 4809625128

約数和(自身を除く): 2902563208

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 137, 152, 160, 190, 241, 274, 304, 361, 380, 482, 548, 608, 685, 722, 760, 964, 1096, 1205, 1370, 1444, 1520, 1805, 1928, 2192, 2410, 2603, 2740, 2888, 3040, 3610, 3856, 4384, 4579, 4820, 5206, 5480, 5776, 7220, 7712, 9158, 9640, 10412, 10960, 11552, 13015, 14440, 18316, 19280, 20824, 21920, 22895, 26030, 28880, 33017, 36632, 38560, 41648, 45790, 49457, 52060, 57760, 66034, 73264, 83296, 87001, 91580, 98914, 104120, 132068, 146528, 165085, 174002, 183160, 197828, 208240, 247285, 264136, 330170, 348004, 366320, 395656, 416480, 435005, 494570, 528272, 627323, 660340, 696008, 732640, 791312, 870010, 989140, 1056544, 1254646, 1320680, 1392016, 1582624, 1740020, 1978280, 2509292, 2641360, 2784032, 3136615, 3480040, 3956560, 5018584, 5282720, 6273230, 6960080, 7913120, 10037168, 11919137, 12546460, 13920160, 20074336, 23838274, 25092920, 47676548, 50185840, 59595685, 95353096, 100371680, 119191370, 190706192, 238382740, 381412384, 476765480, 953530960, 1907061920]

約数ペア:

[(1, 1907061920), (2, 953530960), (4, 476765480), (5, 381412384), (8, 238382740), (10, 190706192), (16, 119191370), (19, 100371680), (20, 95353096), (32, 59595685), (38, 50185840), (40, 47676548), (76, 25092920), (80, 23838274), (95, 20074336), (137, 13920160), (152, 12546460), (160, 11919137), (190, 10037168), (241, 7913120), (274, 6960080), (304, 6273230), (361, 5282720), (380, 5018584), (482, 3956560), (548, 3480040), (608, 3136615), (685, 2784032), (722, 2641360), (760, 2509292), (964, 1978280), (1096, 1740020), (1205, 1582624), (1370, 1392016), (1444, 1320680), (1520, 1254646), (1805, 1056544), (1928, 989140), (2192, 870010), (2410, 791312), (2603, 732640), (2740, 696008), (2888, 660340), (3040, 627323), (3610, 528272), (3856, 494570), (4384, 435005), (4579, 416480), (4820, 395656), (5206, 366320), (5480, 348004), (5776, 330170), (7220, 264136), (7712, 247285), (9158, 208240), (9640, 197828), (10412, 183160), (10960, 174002), (11552, 165085), (13015, 146528), (14440, 132068), (18316, 104120), (19280, 98914), (20824, 91580), (21920, 87001), (22895, 83296), (26030, 73264), (28880, 66034), (33017, 57760), (36632, 52060), (38560, 49457), (41648, 45790)]