289459900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 648708480

約数和(自身を除く): 359248580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 71, 100, 118, 142, 236, 284, 295, 355, 590, 691, 710, 1180, 1382, 1420, 1475, 1775, 2764, 2950, 3455, 3550, 4189, 5900, 6910, 7100, 8378, 13820, 16756, 17275, 20945, 34550, 40769, 41890, 49061, 69100, 81538, 83780, 98122, 104725, 163076, 196244, 203845, 209450, 245305, 407690, 418900, 490610, 815380, 981220, 1019225, 1226525, 2038450, 2453050, 2894599, 4076900, 4906100, 5789198, 11578396, 14472995, 28945990, 57891980, 72364975, 144729950, 289459900]

約数ペア:

[(1, 289459900), (2, 144729950), (4, 72364975), (5, 57891980), (10, 28945990), (20, 14472995), (25, 11578396), (50, 5789198), (59, 4906100), (71, 4076900), (100, 2894599), (118, 2453050), (142, 2038450), (236, 1226525), (284, 1019225), (295, 981220), (355, 815380), (590, 490610), (691, 418900), (710, 407690), (1180, 245305), (1382, 209450), (1420, 203845), (1475, 196244), (1775, 163076), (2764, 104725), (2950, 98122), (3455, 83780), (3550, 81538), (4189, 69100), (5900, 49061), (6910, 41890), (7100, 40769), (8378, 34550), (13820, 20945), (16756, 17275)]