663565540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:853

約数の個数: 96

約数和(自身を含む): 1582156800

約数和(自身を除く): 918591260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 149, 155, 220, 298, 310, 341, 596, 620, 653, 682, 745, 1306, 1364, 1490, 1639, 1705, 2612, 2980, 3265, 3278, 3410, 4619, 6530, 6556, 6820, 7183, 8195, 9238, 13060, 14366, 16390, 18476, 20243, 23095, 28732, 32780, 35915, 40486, 46190, 50809, 71830, 80972, 92380, 97297, 101215, 101618, 143660, 194594, 202430, 203236, 222673, 254045, 389188, 404860, 445346, 486485, 508090, 890692, 972970, 1016180, 1070267, 1113365, 1945940, 2140534, 2226730, 3016207, 4281068, 4453460, 5351335, 6032414, 10702670, 12064828, 15081035, 21405340, 30162070, 33178277, 60324140, 66356554, 132713108, 165891385, 331782770, 663565540]

約数ペア:

[(1, 663565540), (2, 331782770), (4, 165891385), (5, 132713108), (10, 66356554), (11, 60324140), (20, 33178277), (22, 30162070), (31, 21405340), (44, 15081035), (55, 12064828), (62, 10702670), (110, 6032414), (124, 5351335), (149, 4453460), (155, 4281068), (220, 3016207), (298, 2226730), (310, 2140534), (341, 1945940), (596, 1113365), (620, 1070267), (653, 1016180), (682, 972970), (745, 890692), (1306, 508090), (1364, 486485), (1490, 445346), (1639, 404860), (1705, 389188), (2612, 254045), (2980, 222673), (3265, 203236), (3278, 202430), (3410, 194594), (4619, 143660), (6530, 101618), (6556, 101215), (6820, 97297), (7183, 92380), (8195, 80972), (9238, 71830), (13060, 50809), (14366, 46190), (16390, 40486), (18476, 35915), (20243, 32780), (23095, 28732)]