28889250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2996

約数の個数: 64

約数和(自身を含む): 77680512

約数和(自身を除く): 48791262

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2963, 3250, 4875, 5926, 8889, 9750, 14815, 17778, 29630, 38519, 44445, 74075, 77038, 88890, 115557, 148150, 192595, 222225, 231114, 370375, 385190, 444450, 577785, 740750, 962975, 1111125, 1155570, 1925950, 2222250, 2888925, 4814875, 5777850, 9629750, 14444625, 28889250]

約数ペア:

[(1, 28889250), (2, 14444625), (3, 9629750), (5, 5777850), (6, 4814875), (10, 2888925), (13, 2222250), (15, 1925950), (25, 1155570), (26, 1111125), (30, 962975), (39, 740750), (50, 577785), (65, 444450), (75, 385190), (78, 370375), (125, 231114), (130, 222225), (150, 192595), (195, 148150), (250, 115557), (325, 88890), (375, 77038), (390, 74075), (650, 44445), (750, 38519), (975, 29630), (1625, 17778), (1950, 14815), (2963, 9750), (3250, 8889), (4875, 5926)]