201521700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 162

約数和(自身を含む): 655493202

約数和(自身を除く): 453971502

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 233, 279, 300, 310, 372, 450, 465, 466, 558, 620, 699, 775, 900, 930, 932, 961, 1116, 1165, 1395, 1398, 1550, 1860, 1922, 2097, 2325, 2330, 2790, 2796, 2883, 3100, 3495, 3844, 4194, 4650, 4660, 4805, 5580, 5766, 5825, 6975, 6990, 7223, 8388, 8649, 9300, 9610, 10485, 11532, 11650, 13950, 13980, 14415, 14446, 17298, 17475, 19220, 20970, 21669, 23300, 24025, 27900, 28830, 28892, 34596, 34950, 36115, 41940, 43245, 43338, 48050, 52425, 57660, 65007, 69900, 72075, 72230, 86490, 86676, 96100, 104850, 108345, 130014, 144150, 144460, 172980, 180575, 209700, 216225, 216690, 223913, 260028, 288300, 325035, 361150, 432450, 433380, 447826, 541725, 650070, 671739, 722300, 864900, 895652, 1083450, 1119565, 1300140, 1343478, 1625175, 2015217, 2166900, 2239130, 2686956, 3250350, 3358695, 4030434, 4478260, 5597825, 6500700, 6717390, 8060868, 10076085, 11195650, 13434780, 16793475, 20152170, 22391300, 33586950, 40304340, 50380425, 67173900, 100760850, 201521700]

約数ペア:

[(1, 201521700), (2, 100760850), (3, 67173900), (4, 50380425), (5, 40304340), (6, 33586950), (9, 22391300), (10, 20152170), (12, 16793475), (15, 13434780), (18, 11195650), (20, 10076085), (25, 8060868), (30, 6717390), (31, 6500700), (36, 5597825), (45, 4478260), (50, 4030434), (60, 3358695), (62, 3250350), (75, 2686956), (90, 2239130), (93, 2166900), (100, 2015217), (124, 1625175), (150, 1343478), (155, 1300140), (180, 1119565), (186, 1083450), (225, 895652), (233, 864900), (279, 722300), (300, 671739), (310, 650070), (372, 541725), (450, 447826), (465, 433380), (466, 432450), (558, 361150), (620, 325035), (699, 288300), (775, 260028), (900, 223913), (930, 216690), (932, 216225), (961, 209700), (1116, 180575), (1165, 172980), (1395, 144460), (1398, 144150), (1550, 130014), (1860, 108345), (1922, 104850), (2097, 96100), (2325, 86676), (2330, 86490), (2790, 72230), (2796, 72075), (2883, 69900), (3100, 65007), (3495, 57660), (3844, 52425), (4194, 48050), (4650, 43338), (4660, 43245), (4805, 41940), (5580, 36115), (5766, 34950), (5825, 34596), (6975, 28892), (6990, 28830), (7223, 27900), (8388, 24025), (8649, 23300), (9300, 21669), (9610, 20970), (10485, 19220), (11532, 17475), (11650, 17298), (13950, 14446), (13980, 14415)]