206388390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 564867072

約数和(自身を除く): 358478682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 43, 62, 65, 78, 86, 93, 129, 130, 155, 186, 195, 215, 258, 310, 390, 397, 403, 430, 465, 559, 645, 794, 806, 930, 1118, 1191, 1209, 1290, 1333, 1677, 1985, 2015, 2382, 2418, 2666, 2795, 3354, 3970, 3999, 4030, 5161, 5590, 5955, 6045, 6665, 7998, 8385, 10322, 11910, 12090, 12307, 13330, 15483, 16770, 17071, 17329, 19995, 24614, 25805, 30966, 34142, 34658, 36921, 39990, 51213, 51610, 51987, 61535, 73842, 77415, 85355, 86645, 102426, 103974, 123070, 154830, 159991, 170710, 173290, 184605, 221923, 256065, 259935, 319982, 369210, 443846, 479973, 512130, 519870, 529201, 665769, 799955, 959946, 1058402, 1109615, 1331538, 1587603, 1599910, 2219230, 2399865, 2646005, 3175206, 3328845, 4799730, 5292010, 6657690, 6879613, 7938015, 13759226, 15876030, 20638839, 34398065, 41277678, 68796130, 103194195, 206388390]

約数ペア:

[(1, 206388390), (2, 103194195), (3, 68796130), (5, 41277678), (6, 34398065), (10, 20638839), (13, 15876030), (15, 13759226), (26, 7938015), (30, 6879613), (31, 6657690), (39, 5292010), (43, 4799730), (62, 3328845), (65, 3175206), (78, 2646005), (86, 2399865), (93, 2219230), (129, 1599910), (130, 1587603), (155, 1331538), (186, 1109615), (195, 1058402), (215, 959946), (258, 799955), (310, 665769), (390, 529201), (397, 519870), (403, 512130), (430, 479973), (465, 443846), (559, 369210), (645, 319982), (794, 259935), (806, 256065), (930, 221923), (1118, 184605), (1191, 173290), (1209, 170710), (1290, 159991), (1333, 154830), (1677, 123070), (1985, 103974), (2015, 102426), (2382, 86645), (2418, 85355), (2666, 77415), (2795, 73842), (3354, 61535), (3970, 51987), (3999, 51610), (4030, 51213), (5161, 39990), (5590, 36921), (5955, 34658), (6045, 34142), (6665, 30966), (7998, 25805), (8385, 24614), (10322, 19995), (11910, 17329), (12090, 17071), (12307, 16770), (13330, 15483)]