1988045240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{7013}}^1$

素因数の和:7416

約数の個数: 64

約数和(自身を含む): 4721824800

約数和(自身を除く): 2733779560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 373, 380, 746, 760, 1492, 1865, 2984, 3730, 7013, 7087, 7460, 14026, 14174, 14920, 28052, 28348, 35065, 35435, 56104, 56696, 70130, 70870, 133247, 140260, 141740, 266494, 280520, 283480, 532988, 666235, 1065976, 1332470, 2615849, 2664940, 5231698, 5329880, 10463396, 13079245, 20926792, 26158490, 49701131, 52316980, 99402262, 104633960, 198804524, 248505655, 397609048, 497011310, 994022620, 1988045240]

約数ペア:

[(1, 1988045240), (2, 994022620), (4, 497011310), (5, 397609048), (8, 248505655), (10, 198804524), (19, 104633960), (20, 99402262), (38, 52316980), (40, 49701131), (76, 26158490), (95, 20926792), (152, 13079245), (190, 10463396), (373, 5329880), (380, 5231698), (746, 2664940), (760, 2615849), (1492, 1332470), (1865, 1065976), (2984, 666235), (3730, 532988), (7013, 283480), (7087, 280520), (7460, 266494), (14026, 141740), (14174, 140260), (14920, 133247), (28052, 70870), (28348, 70130), (35065, 56696), (35435, 56104)]