401080900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 1007935488

約数和(自身を除く): 606854588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 83, 92, 100, 110, 115, 166, 191, 220, 230, 253, 275, 332, 382, 415, 460, 506, 550, 575, 764, 830, 913, 955, 1012, 1100, 1150, 1265, 1660, 1826, 1909, 1910, 2075, 2101, 2300, 2530, 3652, 3818, 3820, 4150, 4202, 4393, 4565, 4775, 5060, 6325, 7636, 8300, 8404, 8786, 9130, 9545, 9550, 10505, 12650, 15853, 17572, 18260, 19090, 19100, 20999, 21010, 21965, 22825, 25300, 31706, 38180, 41998, 42020, 43930, 45650, 47725, 48323, 52525, 63412, 79265, 83996, 87860, 91300, 95450, 96646, 104995, 105050, 109825, 158530, 174383, 190900, 193292, 209990, 210100, 219650, 241615, 317060, 348766, 364619, 396325, 419980, 439300, 483230, 524975, 697532, 729238, 792650, 871915, 966460, 1049950, 1208075, 1458476, 1585300, 1743830, 1823095, 2099900, 2416150, 3487660, 3646190, 4010809, 4359575, 4832300, 7292380, 8021618, 8719150, 9115475, 16043236, 17438300, 18230950, 20054045, 36461900, 40108090, 80216180, 100270225, 200540450, 401080900]

約数ペア:

[(1, 401080900), (2, 200540450), (4, 100270225), (5, 80216180), (10, 40108090), (11, 36461900), (20, 20054045), (22, 18230950), (23, 17438300), (25, 16043236), (44, 9115475), (46, 8719150), (50, 8021618), (55, 7292380), (83, 4832300), (92, 4359575), (100, 4010809), (110, 3646190), (115, 3487660), (166, 2416150), (191, 2099900), (220, 1823095), (230, 1743830), (253, 1585300), (275, 1458476), (332, 1208075), (382, 1049950), (415, 966460), (460, 871915), (506, 792650), (550, 729238), (575, 697532), (764, 524975), (830, 483230), (913, 439300), (955, 419980), (1012, 396325), (1100, 364619), (1150, 348766), (1265, 317060), (1660, 241615), (1826, 219650), (1909, 210100), (1910, 209990), (2075, 193292), (2101, 190900), (2300, 174383), (2530, 158530), (3652, 109825), (3818, 105050), (3820, 104995), (4150, 96646), (4202, 95450), (4393, 91300), (4565, 87860), (4775, 83996), (5060, 79265), (6325, 63412), (7636, 52525), (8300, 48323), (8404, 47725), (8786, 45650), (9130, 43930), (9545, 42020), (9550, 41998), (10505, 38180), (12650, 31706), (15853, 25300), (17572, 22825), (18260, 21965), (19090, 21010), (19100, 20999)]