221029120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 587200320

約数和(自身を除く): 366171200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 359, 370, 416, 481, 520, 592, 640, 718, 740, 832, 962, 1040, 1184, 1280, 1436, 1480, 1664, 1795, 1924, 2080, 2368, 2405, 2872, 2960, 3328, 3590, 3848, 4160, 4667, 4736, 4810, 5744, 5920, 7180, 7696, 8320, 9334, 9472, 9620, 11488, 11840, 13283, 14360, 15392, 16640, 18668, 19240, 22976, 23335, 23680, 26566, 28720, 30784, 37336, 38480, 45952, 46670, 47360, 53132, 57440, 61568, 66415, 74672, 76960, 91904, 93340, 106264, 114880, 123136, 132830, 149344, 153920, 172679, 186680, 212528, 229760, 265660, 298688, 307840, 345358, 373360, 425056, 459520, 531320, 597376, 615680, 690716, 746720, 850112, 863395, 1062640, 1194752, 1381432, 1493440, 1700224, 1726790, 2125280, 2762864, 2986880, 3400448, 3453580, 4250560, 5525728, 5973760, 6907160, 8501120, 11051456, 13814320, 17002240, 22102912, 27628640, 44205824, 55257280, 110514560, 221029120]

約数ペア:

[(1, 221029120), (2, 110514560), (4, 55257280), (5, 44205824), (8, 27628640), (10, 22102912), (13, 17002240), (16, 13814320), (20, 11051456), (26, 8501120), (32, 6907160), (37, 5973760), (40, 5525728), (52, 4250560), (64, 3453580), (65, 3400448), (74, 2986880), (80, 2762864), (104, 2125280), (128, 1726790), (130, 1700224), (148, 1493440), (160, 1381432), (185, 1194752), (208, 1062640), (256, 863395), (260, 850112), (296, 746720), (320, 690716), (359, 615680), (370, 597376), (416, 531320), (481, 459520), (520, 425056), (592, 373360), (640, 345358), (718, 307840), (740, 298688), (832, 265660), (962, 229760), (1040, 212528), (1184, 186680), (1280, 172679), (1436, 153920), (1480, 149344), (1664, 132830), (1795, 123136), (1924, 114880), (2080, 106264), (2368, 93340), (2405, 91904), (2872, 76960), (2960, 74672), (3328, 66415), (3590, 61568), (3848, 57440), (4160, 53132), (4667, 47360), (4736, 46670), (4810, 45952), (5744, 38480), (5920, 37336), (7180, 30784), (7696, 28720), (8320, 26566), (9334, 23680), (9472, 23335), (9620, 22976), (11488, 19240), (11840, 18668), (13283, 16640), (14360, 15392)]