68578900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 162739584

約数和(自身を除く): 94160684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 650, 710, 743, 923, 1300, 1420, 1486, 1775, 1846, 2972, 3550, 3692, 3715, 4615, 7100, 7430, 9230, 9659, 14860, 18460, 18575, 19318, 23075, 37150, 38636, 46150, 48295, 52753, 74300, 92300, 96590, 105506, 193180, 211012, 241475, 263765, 482950, 527530, 685789, 965900, 1055060, 1318825, 1371578, 2637650, 2743156, 3428945, 5275300, 6857890, 13715780, 17144725, 34289450, 68578900]

約数ペア:

[(1, 68578900), (2, 34289450), (4, 17144725), (5, 13715780), (10, 6857890), (13, 5275300), (20, 3428945), (25, 2743156), (26, 2637650), (50, 1371578), (52, 1318825), (65, 1055060), (71, 965900), (100, 685789), (130, 527530), (142, 482950), (260, 263765), (284, 241475), (325, 211012), (355, 193180), (650, 105506), (710, 96590), (743, 92300), (923, 74300), (1300, 52753), (1420, 48295), (1486, 46150), (1775, 38636), (1846, 37150), (2972, 23075), (3550, 19318), (3692, 18575), (3715, 18460), (4615, 14860), (7100, 9659), (7430, 9230)]