205572900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{52711}}^1$

素因数の和:52741

約数の個数: 72

約数和(自身を含む): 640556224

約数和(自身を除く): 434983324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 52711, 105422, 158133, 210844, 263555, 316266, 527110, 632532, 685243, 790665, 1054220, 1317775, 1370486, 1581330, 2055729, 2635550, 2740972, 3162660, 3426215, 3953325, 4111458, 5271100, 6852430, 7906650, 8222916, 10278645, 13704860, 15813300, 17131075, 20557290, 34262150, 41114580, 51393225, 68524300, 102786450, 205572900]

約数ペア:

[(1, 205572900), (2, 102786450), (3, 68524300), (4, 51393225), (5, 41114580), (6, 34262150), (10, 20557290), (12, 17131075), (13, 15813300), (15, 13704860), (20, 10278645), (25, 8222916), (26, 7906650), (30, 6852430), (39, 5271100), (50, 4111458), (52, 3953325), (60, 3426215), (65, 3162660), (75, 2740972), (78, 2635550), (100, 2055729), (130, 1581330), (150, 1370486), (156, 1317775), (195, 1054220), (260, 790665), (300, 685243), (325, 632532), (390, 527110), (650, 316266), (780, 263555), (975, 210844), (1300, 158133), (1950, 105422), (3900, 52711)]