19210750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 40569984

約数和(自身を除く): 21359234

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 125, 130, 230, 250, 257, 299, 325, 514, 575, 598, 650, 1150, 1285, 1495, 1625, 2570, 2875, 2990, 3250, 3341, 5750, 5911, 6425, 6682, 7475, 11822, 12850, 14950, 16705, 29555, 32125, 33410, 37375, 59110, 64250, 74750, 76843, 83525, 147775, 153686, 167050, 295550, 384215, 417625, 738875, 768430, 835250, 1477750, 1921075, 3842150, 9605375, 19210750]

約数ペア:

[(1, 19210750), (2, 9605375), (5, 3842150), (10, 1921075), (13, 1477750), (23, 835250), (25, 768430), (26, 738875), (46, 417625), (50, 384215), (65, 295550), (115, 167050), (125, 153686), (130, 147775), (230, 83525), (250, 76843), (257, 74750), (299, 64250), (325, 59110), (514, 37375), (575, 33410), (598, 32125), (650, 29555), (1150, 16705), (1285, 14950), (1495, 12850), (1625, 11822), (2570, 7475), (2875, 6682), (2990, 6425), (3250, 5911), (3341, 5750)]