208549380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 641196864

約数和(自身を除く): 432647484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 157, 169, 195, 260, 262, 314, 338, 390, 393, 471, 507, 524, 628, 655, 676, 780, 785, 786, 845, 942, 1014, 1310, 1570, 1572, 1690, 1703, 1884, 1965, 2028, 2041, 2355, 2535, 2620, 3140, 3380, 3406, 3930, 4082, 4710, 5070, 5109, 6123, 6812, 7860, 8164, 8515, 9420, 10140, 10205, 10218, 12246, 17030, 20410, 20436, 20567, 22139, 24492, 25545, 26533, 30615, 34060, 40820, 41134, 44278, 51090, 53066, 61230, 61701, 66417, 79599, 82268, 88556, 102180, 102835, 106132, 110695, 122460, 123402, 132665, 132834, 159198, 205670, 221390, 246804, 265330, 265668, 267371, 308505, 318396, 332085, 397995, 411340, 442780, 530660, 534742, 617010, 664170, 795990, 802113, 1069484, 1234020, 1328340, 1336855, 1591980, 1604226, 2673710, 3208452, 3475823, 4010565, 5347420, 6951646, 8021130, 10427469, 13903292, 16042260, 17379115, 20854938, 34758230, 41709876, 52137345, 69516460, 104274690, 208549380]

約数ペア:

[(1, 208549380), (2, 104274690), (3, 69516460), (4, 52137345), (5, 41709876), (6, 34758230), (10, 20854938), (12, 17379115), (13, 16042260), (15, 13903292), (20, 10427469), (26, 8021130), (30, 6951646), (39, 5347420), (52, 4010565), (60, 3475823), (65, 3208452), (78, 2673710), (130, 1604226), (131, 1591980), (156, 1336855), (157, 1328340), (169, 1234020), (195, 1069484), (260, 802113), (262, 795990), (314, 664170), (338, 617010), (390, 534742), (393, 530660), (471, 442780), (507, 411340), (524, 397995), (628, 332085), (655, 318396), (676, 308505), (780, 267371), (785, 265668), (786, 265330), (845, 246804), (942, 221390), (1014, 205670), (1310, 159198), (1570, 132834), (1572, 132665), (1690, 123402), (1703, 122460), (1884, 110695), (1965, 106132), (2028, 102835), (2041, 102180), (2355, 88556), (2535, 82268), (2620, 79599), (3140, 66417), (3380, 61701), (3406, 61230), (3930, 53066), (4082, 51090), (4710, 44278), (5070, 41134), (5109, 40820), (6123, 34060), (6812, 30615), (7860, 26533), (8164, 25545), (8515, 24492), (9420, 22139), (10140, 20567), (10205, 20436), (10218, 20410), (12246, 17030)]