2013203140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 4879329840

約数和(自身を除く): 2866126700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 190, 241, 247, 260, 356, 361, 380, 445, 482, 494, 722, 890, 964, 988, 1157, 1205, 1235, 1444, 1691, 1780, 1805, 2314, 2410, 2470, 3133, 3382, 3610, 4579, 4628, 4693, 4820, 4940, 5785, 6266, 6764, 7220, 8455, 9158, 9386, 11570, 12532, 15665, 16910, 18316, 18772, 21449, 21983, 22895, 23140, 23465, 31330, 32129, 33820, 42898, 43966, 45790, 46930, 59527, 62660, 64258, 85796, 87001, 87932, 91580, 93860, 107245, 109915, 119054, 128516, 160645, 174002, 214490, 219830, 238108, 278837, 297635, 321290, 348004, 407531, 417677, 428980, 435005, 439660, 557674, 595270, 642580, 815062, 835354, 870010, 1115348, 1131013, 1190540, 1394185, 1630124, 1670708, 1740020, 2037655, 2088385, 2262026, 2788370, 4075310, 4176770, 4524052, 5297903, 5576740, 5655065, 7743089, 8150620, 8353540, 10595806, 11310130, 15486178, 21191612, 22620260, 26489515, 30972356, 38715445, 52979030, 77430890, 100660157, 105958060, 154861780, 201320314, 402640628, 503300785, 1006601570, 2013203140]

約数ペア:

[(1, 2013203140), (2, 1006601570), (4, 503300785), (5, 402640628), (10, 201320314), (13, 154861780), (19, 105958060), (20, 100660157), (26, 77430890), (38, 52979030), (52, 38715445), (65, 30972356), (76, 26489515), (89, 22620260), (95, 21191612), (130, 15486178), (178, 11310130), (190, 10595806), (241, 8353540), (247, 8150620), (260, 7743089), (356, 5655065), (361, 5576740), (380, 5297903), (445, 4524052), (482, 4176770), (494, 4075310), (722, 2788370), (890, 2262026), (964, 2088385), (988, 2037655), (1157, 1740020), (1205, 1670708), (1235, 1630124), (1444, 1394185), (1691, 1190540), (1780, 1131013), (1805, 1115348), (2314, 870010), (2410, 835354), (2470, 815062), (3133, 642580), (3382, 595270), (3610, 557674), (4579, 439660), (4628, 435005), (4693, 428980), (4820, 417677), (4940, 407531), (5785, 348004), (6266, 321290), (6764, 297635), (7220, 278837), (8455, 238108), (9158, 219830), (9386, 214490), (11570, 174002), (12532, 160645), (15665, 128516), (16910, 119054), (18316, 109915), (18772, 107245), (21449, 93860), (21983, 91580), (22895, 87932), (23140, 87001), (23465, 85796), (31330, 64258), (32129, 62660), (33820, 59527), (42898, 46930), (43966, 45790)]