221465790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3863}}^1$

素因数の和:3903

約数の個数: 144

約数和(自身を含む): 721532448

約数和(自身を除く): 500066658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 390, 441, 455, 490, 546, 585, 630, 637, 735, 819, 882, 910, 1170, 1274, 1365, 1470, 1638, 1911, 2205, 2730, 3185, 3822, 3863, 4095, 4410, 5733, 6370, 7726, 8190, 9555, 11466, 11589, 19110, 19315, 23178, 27041, 28665, 34767, 38630, 50219, 54082, 57330, 57945, 69534, 81123, 100438, 115890, 135205, 150657, 162246, 173835, 189287, 243369, 251095, 270410, 301314, 347670, 351533, 378574, 405615, 451971, 486738, 502190, 567861, 703066, 753285, 811230, 903942, 946435, 1054599, 1135722, 1216845, 1506570, 1703583, 1757665, 1892870, 2109198, 2259855, 2433690, 2460731, 2839305, 3163797, 3407166, 3515330, 4519710, 4921462, 5272995, 5678610, 6327594, 7382193, 8517915, 10545990, 12303655, 14764386, 15818985, 17035830, 22146579, 24607310, 31637970, 36910965, 44293158, 73821930, 110732895, 221465790]

約数ペア:

[(1, 221465790), (2, 110732895), (3, 73821930), (5, 44293158), (6, 36910965), (7, 31637970), (9, 24607310), (10, 22146579), (13, 17035830), (14, 15818985), (15, 14764386), (18, 12303655), (21, 10545990), (26, 8517915), (30, 7382193), (35, 6327594), (39, 5678610), (42, 5272995), (45, 4921462), (49, 4519710), (63, 3515330), (65, 3407166), (70, 3163797), (78, 2839305), (90, 2460731), (91, 2433690), (98, 2259855), (105, 2109198), (117, 1892870), (126, 1757665), (130, 1703583), (147, 1506570), (182, 1216845), (195, 1135722), (210, 1054599), (234, 946435), (245, 903942), (273, 811230), (294, 753285), (315, 703066), (390, 567861), (441, 502190), (455, 486738), (490, 451971), (546, 405615), (585, 378574), (630, 351533), (637, 347670), (735, 301314), (819, 270410), (882, 251095), (910, 243369), (1170, 189287), (1274, 173835), (1365, 162246), (1470, 150657), (1638, 135205), (1911, 115890), (2205, 100438), (2730, 81123), (3185, 69534), (3822, 57945), (3863, 57330), (4095, 54082), (4410, 50219), (5733, 38630), (6370, 34767), (7726, 28665), (8190, 27041), (9555, 23178), (11466, 19315), (11589, 19110)]