39521900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 103326720

約数和(自身を除く): 63804820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 31, 38, 44, 50, 55, 61, 62, 76, 95, 100, 110, 122, 124, 155, 190, 209, 220, 244, 275, 305, 310, 341, 380, 418, 475, 550, 589, 610, 620, 671, 682, 775, 836, 950, 1045, 1100, 1159, 1178, 1220, 1342, 1364, 1525, 1550, 1705, 1891, 1900, 2090, 2318, 2356, 2684, 2945, 3050, 3100, 3355, 3410, 3782, 4180, 4636, 5225, 5795, 5890, 6100, 6479, 6710, 6820, 7564, 8525, 9455, 10450, 11590, 11780, 12749, 12958, 13420, 14725, 16775, 17050, 18910, 20801, 20900, 23180, 25498, 25916, 28975, 29450, 32395, 33550, 34100, 35929, 37820, 41602, 47275, 50996, 57950, 58900, 63745, 64790, 67100, 71858, 83204, 94550, 104005, 115900, 127490, 129580, 143716, 161975, 179645, 189100, 208010, 254980, 318725, 323950, 359290, 395219, 416020, 520025, 637450, 647900, 718580, 790438, 898225, 1040050, 1274900, 1580876, 1796450, 1976095, 2080100, 3592900, 3952190, 7904380, 9880475, 19760950, 39521900]

約数ペア:

[(1, 39521900), (2, 19760950), (4, 9880475), (5, 7904380), (10, 3952190), (11, 3592900), (19, 2080100), (20, 1976095), (22, 1796450), (25, 1580876), (31, 1274900), (38, 1040050), (44, 898225), (50, 790438), (55, 718580), (61, 647900), (62, 637450), (76, 520025), (95, 416020), (100, 395219), (110, 359290), (122, 323950), (124, 318725), (155, 254980), (190, 208010), (209, 189100), (220, 179645), (244, 161975), (275, 143716), (305, 129580), (310, 127490), (341, 115900), (380, 104005), (418, 94550), (475, 83204), (550, 71858), (589, 67100), (610, 64790), (620, 63745), (671, 58900), (682, 57950), (775, 50996), (836, 47275), (950, 41602), (1045, 37820), (1100, 35929), (1159, 34100), (1178, 33550), (1220, 32395), (1342, 29450), (1364, 28975), (1525, 25916), (1550, 25498), (1705, 23180), (1891, 20900), (1900, 20801), (2090, 18910), (2318, 17050), (2356, 16775), (2684, 14725), (2945, 13420), (3050, 12958), (3100, 12749), (3355, 11780), (3410, 11590), (3782, 10450), (4180, 9455), (4636, 8525), (5225, 7564), (5795, 6820), (5890, 6710), (6100, 6479)]