286997680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2654

約数の個数: 80

約数和(自身を含む): 707972544

約数和(自身を除く): 420974864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 230, 244, 305, 368, 460, 488, 610, 920, 976, 1220, 1403, 1840, 2440, 2557, 2806, 4880, 5114, 5612, 7015, 10228, 11224, 12785, 14030, 20456, 22448, 25570, 28060, 40912, 51140, 56120, 58811, 102280, 112240, 117622, 155977, 204560, 235244, 294055, 311954, 470488, 588110, 623908, 779885, 940976, 1176220, 1247816, 1559770, 2352440, 2495632, 3119540, 3587471, 4704880, 6239080, 7174942, 12478160, 14349884, 17937355, 28699768, 35874710, 57399536, 71749420, 143498840, 286997680]

約数ペア:

[(1, 286997680), (2, 143498840), (4, 71749420), (5, 57399536), (8, 35874710), (10, 28699768), (16, 17937355), (20, 14349884), (23, 12478160), (40, 7174942), (46, 6239080), (61, 4704880), (80, 3587471), (92, 3119540), (115, 2495632), (122, 2352440), (184, 1559770), (230, 1247816), (244, 1176220), (305, 940976), (368, 779885), (460, 623908), (488, 588110), (610, 470488), (920, 311954), (976, 294055), (1220, 235244), (1403, 204560), (1840, 155977), (2440, 117622), (2557, 112240), (2806, 102280), (4880, 58811), (5114, 56120), (5612, 51140), (7015, 40912), (10228, 28060), (11224, 25570), (12785, 22448), (14030, 20456)]