228780500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 547860768

約数和(自身を除く): 319080268

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 125, 130, 244, 250, 260, 305, 325, 500, 577, 610, 650, 793, 1154, 1220, 1300, 1525, 1586, 1625, 2308, 2885, 3050, 3172, 3250, 3965, 5770, 6100, 6500, 7501, 7625, 7930, 11540, 14425, 15002, 15250, 15860, 19825, 28850, 30004, 30500, 35197, 37505, 39650, 57700, 70394, 72125, 75010, 79300, 99125, 140788, 144250, 150020, 175985, 187525, 198250, 288500, 351970, 375050, 396500, 457561, 703940, 750100, 879925, 915122, 937625, 1759850, 1830244, 1875250, 2287805, 3519700, 3750500, 4399625, 4575610, 8799250, 9151220, 11439025, 17598500, 22878050, 45756100, 57195125, 114390250, 228780500]

約数ペア:

[(1, 228780500), (2, 114390250), (4, 57195125), (5, 45756100), (10, 22878050), (13, 17598500), (20, 11439025), (25, 9151220), (26, 8799250), (50, 4575610), (52, 4399625), (61, 3750500), (65, 3519700), (100, 2287805), (122, 1875250), (125, 1830244), (130, 1759850), (244, 937625), (250, 915122), (260, 879925), (305, 750100), (325, 703940), (500, 457561), (577, 396500), (610, 375050), (650, 351970), (793, 288500), (1154, 198250), (1220, 187525), (1300, 175985), (1525, 150020), (1586, 144250), (1625, 140788), (2308, 99125), (2885, 79300), (3050, 75010), (3172, 72125), (3250, 70394), (3965, 57700), (5770, 39650), (6100, 37505), (6500, 35197), (7501, 30500), (7625, 30004), (7930, 28850), (11540, 19825), (14425, 15860), (15002, 15250)]